Top 10k strings from Chemistry (1985)(Collins Educational)(Side B).tzx in <root> / bin / z80 / software / Sinclair Spectrum Collection TOSEC.exe / Sinclair ZX Spectrum - Utilities & Educational / Sinclair ZX Spectrum - Utilities & Educational - [TZX] (TOSEC-v2007-01-01) /
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9 ,"some of these","t",7
8 ;" ":
8 ,"You will need","t",6
8 ,"What is the relative","t",16
6 "Group 2",5100
5 ,"less",25
5 ,"is","?",5
5 "Random choice",999
5 "Group 3",5200
4 l(rt,cp),c(rt,cp);
4 ;"wrong";:
4 ;"This elements'";
4 ;" ":
4 ;" ";
4 ;" "
4 ,"water",8
4 ,"more",25
4 ,"molecular",153
4 ,"molecular mass of","`",7
4 ,"is","?",4
4 ,"ionic",114
4 ,"hydrogen",4
4 ,"covalent",132
4 ,"bonds","*"
4 ,"are there in a","t",17
4 "Try again"
4 "Its formula is C
4 "Group IV","Group V","Group VI","Group VII","Random choice"
4 "Group 1",5000
4 "Finish using the program"," "
4 on your tape recorder":
4 on your recorder":
4 does not exist"
3 z$="treble":
3 z$="treble"
3 z$="single":
3 z$="single"
3 z$="double":
3 z$="double"
3 v(x),w(x);
3 t$(i)=t$(j):
3 q$(x)=a$(x)
3 o(i),b(i);i;:
3 o(i),b(i),r(i),s(i),d(i),e(i),t(i),y(i),p(i),a(i):
3 m$=" "
3 i=a(p(i)-1
3 i=a(p(i)+1
3 ;"configuration is":
3 ;"atomic number is":
3 ;"Your score =
3 ;"You aimed at "
3 ;"To run this program again":
3 ;"This element is":
3 ;"HARD LUCK - I win !!!":
3 ;"Good shot!!
3 ;"Elements"
3 ;"CONGRATULATIONS - You win !!!!":
3 ;"BUST!!! Try again":
3 ,"plastics"
3 ,"oxygen",100
3 ,"oxide is","*"
3 ,"one",124
3 ,"more",141
3 ,"molecule of","`",5
3 ,"is","?",3
3 ,"hydrogen",34
3 ,"hydrogen",100
3 ,"giant",154
3 ,"electrons","*"
3 ,"covalent",65
3 ,"covalent",113
3 ,"commercially","*"
3 ,"acid is","*"
3 ,"The element whose symbol is","`",4
3 ,"How many electrons","t",16
3 ,"Cl = 35.5","t",15
3 "You choose a topic from a list and decide whether you will aim at the treble, double or single."
3 "Treble questions are hardest!!!":
3 "To win you must reduce your score to EXACTLY zero."
3 "This is a game of darts. You play against the computer."
3 "The gas is diatomic"
3 "The element has a valency of 4"
3 "Pressing
3 "Its formula is CH
3 "If the computer reaches zero or below then it wins!!"
3 "Group 0","Hydrogen","Transition","Table trends","Radiochemistry","Random choice"
3 ";z$;" ";i;"
3 ";z$;" ";g;"
3 values","t",10
3 to carry on"
2 y(i),x(i);
2 v(x),w(x);f$:
2 us=us-(i*r)
2 us=us+(i*r):
2 u(f),v(f),w(f):
2 to answer";:
2 symbol shift
2 returns chosen option ascii in v and letter in c$
2 r(x)=r(y):
2 r(i)=r(i+1
2 ol,oc;"This GEM reference may help you:":
2 ol+l,oc+c;x$;
2 n(w),l(w),c(w):
2 m(x)=m(y):
2 m(m)=j(a):
2 m(i)=m(i+1
2 m$="I'm mixing up the questions"
2 l(rt,i),c(rt,i);
2 l(rt,c),c(rt,c);
2 l(m),c(m);f$:
2 l(d),n$(d),y$(d):
2 d$="I'm mixing up the topics"
2 cs=cs-(i*r)
2 b$=" "
2 b$(m)=o$(a):
2 a(x)=a(y):
2 a$(m)=n$(a):
2 Enter s d or t
2 Between 1 & 20
2 ;"you will not get exactly the":
2 ;"wind the tape on before you":
2 ;"wind on the tape before you";
2 ;"to choose from. If you do not"
2 ;"time RESTARTS the program."
2 ;"shown to give a hint or an":
2 ;"second try. Pressing
2 ;"same questions."
2 ;"right";:
2 ;"questions."
2 ;"questions you can have a "
2 ;"questions in the section":
2 ;"practice at answering "
2 ;"or t (treble) "
2 ;"or d (double) ";
2 ;"help is given. A message is":
2 ;"get a question correct then":
2 ;"explanation. Have your GEM":
2 ;"electronic";
2 ;"Your dart hit "
2 ;"Well done. You have got all":
2 ;"Type a number";
2 ;"True/false";:
2 ;"Trans-":
2 ;"To run this program again";
2 ;"To load and run a later program":
2 ;"To load a later program";
2 ;"To aim";
2 ;"This program gives you "
2 ;"This elements'":
2 ;"There is a range of topics"
2 ;"The answer was : ";
2 ;"Periodic Table"
2 ;"Now try another topic area":
2 ;"Now the value:";
2 ;"If you run this program again":
2 ;"Good. The answer was :";
2 ;"For the ";:
2 ;"Do you want to play";
2 ;"Computer =";cs
2 ;"CORRECT.":
2 ;"501, 301,201 or 101 ?"
2 ;"& press
2 ;" Press the ":
2 ;" Have another try ":
2 ;" s (single) ";
2 ;" ";:
2 ;" "
2 ;" ":
2 ;" ";
2 ;" ":
2 ;"
2 -l(rt,i)*8
2 ,"zinc",20
2 ,"wood pulp production"
2 ,"with the exception of","group I metal nitrates"
2 ,"with no exceptions"
2 ,"will react with","`",8
2 ,"will react with 71g of Cl
2 ,"turns starch-iodine paper","black"
2 ,"turns moist blue litmus red"
2 ,"turns dichromate paper","green"
2 ,"to","`",2
2 ,"the metal"
2 ,"the metal oxide"
2 ,"the metal nitrite"
2 ,"the layers are","?",2
2 ,"sulphuric acid"
2 ,"sulphur",100
2 ,"sulphur"
2 ,"sulphur trioxide"
2 ,"sulphur dioxide"
2 ,"sublime on heating"
2 ,"strong",66
2 ,"reacts with water"
2 ,"reacts with acid to form","t",17
2 ,"production of nitric acid is","*"
2 ,"polymorphs"
2 ,"polymers"
2 ,"photography"
2 ,"phosphorus is","*"
2 ,"pharmaceuticals"
2 ,"oxygen",76
2 ,"oxygen",0
2 ,"of","`",6
2 ,"of air is","?",3
2 ,"nylon manufacture"
2 ,"nuclides"
2 ,"no effect"
2 ,"nitrogen monoxide"
2 ,"nitrogen dioxide"
2 ,"nitrates"
2 ,"nitrate produces","*"
2 ,"nickel",20
2 ,"molecule of","`",7
2 ,"molecule of","`",4
2 ,"molecular",70
2 ,"metals","*"
2 ,"metallic",65
2 ,"less",141
2 ,"lead",72
2 ,"lead nitrate produces","*"
2 ,"it is usually reduced to","*"
2 ,"isotopes"
2 ,"isomers"
2 ,"is","?",9
2 ,"is","?",6
2 ,"is very soluble in water"
2 ,"is very reactive"
2 ,"is much denser than air"
2 ,"is colourless"
2 ,"is ","?",5
2 ,"iron",74
2 ,"iodine",100
2 ,"increases",20
2 ,"hydrogen",136
2 ,"homologues"
2 ,"has the formula:","t",17
2 ,"has a sweetish smell"
2 ,"has a strong odour of bad","eggs"
2 ,"group I nitrate produces","*"
2 ,"green",141
2 ,"giant",69
2 ,"gas","?",8
2 ,"from petroleum"
2 ,"form an acidic solution","in water"
2 ,"fertilizers"
2 ,"explosives manufacture"
2 ,"except silver nitrate"
2 ,"except lead(
2 ,"except group
2 ,"elements is","?",1
2 ,"electrons in each bond in a","t",17
2 ,"does an atom of","`",3
2 ,"dissolves in water to form","a weakly alkaline solution"
2 ,"dinitrogen monoxide"
2 ,"dichromate paper turning","from orange to green"
2 ,"decompose on heating"
2 ,"covalent",85
2 ,"contains","?",6
2 ,"contains","?",5
2 ,"contains NH
2 ,"contact process"
2 ,"commercially by the","*"
2 ,"chlorine",7
2 ,"chloride",100
2 ,"can be made by heating","lead (
2 ,"can be collected in the","lab over water"
2 ,"calcium"
2 ,"by oxidation of hydrogen ","chloride"
2 ,"by fractional distillation"
2 ,"by an electrolytic process"
2 ,"burns with a blue flame"
2 ,"bromine",32
2 ,"bromine",0
2 ,"argon",76
2 ,"are white crystalline solids"
2 ,"are water soluble"
2 ,"are there in","`",6
2 ,"anaesthetics"
2 ,"an oxidising agent"
2 ,"an acid"
2 ,"allotropes"
2 ,"a white precipitate when","added to acidified Ba
2 ,"a reducing agent"
2 ,"a dehydrating agent"
2 ,"a cream precipitate when ","added to AgNO
2 ,"a brown ring when mixed ","with H
2 ,"This produces sulphuric acid"
2 ,"This is not an important use"
2 ,"This is a test for SO
2 ,"This is a test for H
2 ,"These two chemicals do","not react together"
2 ,"These are all water soluble"
2 ,"Thermal decomposition of","t",5
2 ,"There are","?",4
2 ,"The test for a sulphate"
2 ,"The test for a nitrate is","*"
2 ,"The test for a chloride"
2 ,"The test for a bromide"
2 ,"The test for SO
2 ,"The number of electrons in","t",5
2 ,"The nitrogen cannot be","oxidized further"
2 ,"The gas which occupies","`",3
2 ,"The formula of","`",5
2 ,"The element whose symbol is","`",5
2 ,"The electronic configuration","t",5
2 ,"The chief industrial use of","t",5
2 ,"The action of heat on","t",5
2 ,"The action of heat on silver","t",5
2 ,"The action of heat on a","t",5
2 ,"Sulphates"
2 ,"Solvay process"
2 ,"Sodium is too reactive to use"
2 ,"PVC production"
2 ,"One of the steps in the","t",5
2 ,"Nitrogen monoxide","*"
2 ,"Nitric acid"
2 ,"Nitrates are water soluble","*"
2 ,"N = 14 O = 16","t",12
2 ,"Lead chamber process"
2 ,"It is an acid"
2 ,"Hydrogen"
2 ,"Hydrogen chloride"
2 ,"How many moles of","`",8
2 ,"How many moles of","`",6
2 ,"How many atoms of","`",7
2 ,"How many atoms of","`",5
2 ,"Haber process"
2 ,"H = 1","t",10
2 ,"Electrolysis of molten","`",3
2 ,"Concentrated H
2 ,"C = 12","t",11
2 ,"Basicity is the number of","replaceable hydrogen atoms"
2 ,"As you go down","t",16
2 ,"An insoluble layer forms on","the metal stopping the reaction"
2 ,"Ammonia gas is produced"
2 ,"=","`",3
2 ,"7","nitrogen is 2 5",6
2 ,"228",165
2 ,"2","helium is 2",5
2 ,"2 8 8","argon is 18","The number of electrons in an atom of ","*"
2 ,"15","phosphorus is 2 8 5","The electronic configuration of ","*"
2 ,"+","?",3
2 ) nitrate"
2 ) and barium","salts"
2 (c(rt,i)*8
2 (H=1;S=32; O=16;)"
2 "oxygen","sulphur","ozone"
2 "nitrogen",76
2 "nitrogen","phosphorus"
2 "multiple choice":
2 "left","right","right","left"
2 "hydrogen",4
2 "down","up"
2 "covalent",65
2 "allotropes",86
2 "You have ";
2 "True or false"," "
2 "Think of a pencil marking paper"
2 "The valency of carbon is 4"
2 "The formula of ammonia is NH
2 "The atomic number of carbon is 6"
2 "Remember lead is at the bottom of the group"
2 "Number of protons + neutrons equals the mass number"
2 "Multiple choice":
2 "Multiple choice"," "
2 "Look up the formula of the compound"
2 "Look up AIR in the
2 "Look at a Periodic Table"
2 "Its formula is CO"
2 "Its formula is CO
2 "Its formula is CCl
2 "It is solid at room temperature"
2 "It is a gas at room temperature"
2 "It has a low boiling point"
2 "Formula=Na
2 "Formula=Li
2 "Does it conduct electricity?"
2 "Count the atoms on each side of the equation"
2 "Choose another topic"," "
2 "CHOOSE YOUR TOPIC"
2 "CHOOSE THE TYPE OF QUESTION"
2 "78%","21%","0.9%"
2 ","as well as H
2 " back to choose another topic. ":
2 " Remember that pressing
2 " How much do you know about":
2 will take you ":
2 values:","t",9
2 values:","t",10
2 to continue";
2 to choose":
2 to answer";
2 that","t",5
2 stops the game"
2 produces","*"
2 is reacted with O
2 ions are formed"
2 Salt + ?"
2 ","nitrates"
1 v(x),w(x);f$
1 uscore=uscore-(i*r)
1 uscore=uscore+(i*r):
1 u(f),v(f),w(f)
1 t$(i)="Transition "
1 t$(i)="Table trends "
1 t$(i)="Radiochemistry"
1 t$(i)="Hydrogen "
1 t$(i)="Group VII "
1 t$(i)="Group VI "
1 t$(i)="Group V "
1 t$(i)="Group IV "
1 t$(i)="Group 0 "
1 t$(i),q(i)
1 s (single) "
1 oxide is produced"
1 n(w),l(w),c(w)
1 l(m),c(m);f$
1 l(d),n$(d),y$(d)
1 d$="I'm mixing up the topics":
1 cscore=uscore
1 cscore=cscore-(i*r)
1 b$(m)=o$(a)
1 a$(m)=n$(a)
1 Transition
1 QUESTIONS2
1 QUESTIONS1
1 OH crystals","when the water is evaporated"
1 O, LiOH, RbBr and CsNO
1 O does not exist"
1 O crystals decompose","t",5
1 O and PbO"
1 H","propane: C
1 H","ethene C
1 GAME3
1 GAME2
1 GAME1
1 Enter s d or t!
1 Created with Ramsoft MakeTZX
1 Between 1 & 20!
1 ;"or t (treble) "
1 ;"or d (double) "
1 ;"electronic":
1 ;"and press
1 ;"Your dart hit ";
1 ;"Type the number"
1 ;"Try again":
1 ;"Trans-";
1 ;"To load and run QUESTIONS2":
1 ;"To load and run GAME3";
1 ;"To load and run GAME2";
1 ;"To load and run GAME1":
1 ;"The answer was : ":
1 ;"Periodic Table":
1 ;"Now the value: "
1 ;"Good. The answer was :":
1 ;"Do you want to play":
1 ;"Computer =
1 ;"CHEMISTRY Game 3";
1 ;"CHEMISTRY GAME2";
1 ;"CHEMISTRY GAME1":
1 ;"CHEMISTRY (part 2)":
1 ;"CHEMISTRY (part 1)":
1 ;"501, 301, 201 or 101?"
1 ;" attempts at each question.If you answer correctlyyou get the points otherwise the computer gets them!!":
1 ;" attempts at each question.If you answer correctlyyou get the points otherwise the computer gets them!!"
1 ;" "
1 ;" "
1 ;" "
1 ,"zinc","Zn","Its symbol is ","*"
1 ,"zinc oxide"
1 ,"zinc and dilute","t",17
1 ,"yellow",141
1 ,"xenon",20
1 ,"xenon","Xe","Its symbol is ","*"
1 ,"with","*"
1 ,"with metals, their valency is .","?",1
1 ,"with both","`",2
1 ,"will reduce a solution of","`",2
1 ,"will react with","`",3
1 ,"will produce NH
1 ,"white",119
1 ,"white phosphorous"
1 ,"when smokeless fuel burns"
1 ,"when molten sulphur is poured","t",17
1 ,"when a","?",1
1 ,"weaker than covalent bonds"
1 ,"weak",66
1 ,"water to form Cl
1 ,"vanadium",20
1 ,"vanadium","V",6
1 ,"uses nitrogen extracted","from the air"
1 ,"uses hydrogen from the air"
1 ,"used in the","`",3
1 ,"used as a furnace lining.","*"
1 ,"use digits in","t",10
1 ,"turn dry litmus paper red"
1 ,"together by","?",3
1 ,"to","?",2
1 ,"to reduce the number to","`",4
1 ,"to produce","`",3
1 ,"to produce","`",2
1 ,"to produce :","*"
1 ,"to make sulphuric acid"
1 ,"to make calcium sulphate","(gypsum)"
1 ,"to know that","t",9
1 ,"to harden rubber"
1 ,"to form","`",7
1 ,"to colour paints yellow"
1 ,"to be a mixture of","*"
1 ,"titanium",20
1 ,"titanium","Ti",5
1 ,"tin","Sn",9
1 ,"this reaction.","t",15
1 ,"therefore,","t",17
1 ,"there in a molecule of","`",4
1 ,"then","?",1
1 ,"the","`",2
1 ,"the size of the atoms ........","?",2
1 ,"the production of margarine","and other fats"
1 ,"the oxide and","?",1
1 ,"the oxidation","t",10
1 ,"the oxidation of ammonia is","*"
1 ,"the lab from dilute H
1 ,"the hydrogen ion"
1 ,"the gas burns"
1 ,"the fountain experiment","t",6
1 ,"the elements","?",1
1 ,"the elements .........","?",1
1 ,"the element has","t",17
1 ,"the electrolysis of","dilute sulphuric acid"
1 ,"the atoms present to decay","*"
1 ,"the answer","i",0
1 ,"the action of","*"
1 ,"test copper(II) is","?",2
1 ,"tellurium",20
1 ,"tellurium","Te","Its symbol is ","*"
1 ,"sulphurous acid"
1 ,"sulphur",89
1 ,"sulphur",20
1 ,"sulphur","S",7
1 ,"sulphur","S",14
1 ,"sulphur is produced","t",16
1 ,"sulphur exists as rings"
1 ,"sulphur dioxide",100
1 ,"sulphur compounds"
1 ,"sulphur are","*"
1 ,"sulphites"
1 ,"sulphide ore","`",2
1 ,"sulphide is","*"
1 ,"sulphate ion is","*"
1 ,"structures","*"
1 ,"structure","*"
1 ,"strontium",20
1 ,"strontium","Sr",9
1 ,"stronger than ionic bonds"
1 ,"stable than","`",6
1 ,"solution of","`",7
1 ,"sodium",20
1 ,"sodium",2
1 ,"sodium",137
1 ,"sodium","Na",7
1 ,"sodium","Na",1
1 ,"slag",74
1 ,"silver",20
1 ,"silicon",20
1 ,"silicon","Si",7
1 ,"silicon","Si",12
1 ,"shorter than covalent","bonds"
1 ,"selenium",20
1 ,"selenium","Se",8
1 ,"scandium","Sc",4
1 ,"rubidium",20
1 ,"rubidium","Rb",9
1 ,"rows of elements","t",17
1 ,"rhombic phosphorous"
1 ,"responsible for water being","a gas at room temperature"
1 ,"relights a glowing splint"
1 ,"reduced",145
1 ,"red",141
1 ,"red phosphorous"
1 ,"red lead (Pb
1 ,"reacts with oxygen"
1 ,"reacts with ammonium chloride","to form a white solid"
1 ,"reactive than","`",5
1 ,"reactive than ","`",6
1 ,"reaction from","t",12
1 ,"reaction between","t",16
1 ,"reaction between Mg and N
1 ,"react with one mole of O
1 ,"react with alkalis","forming oxygen"
1 ,"react with acids to form","hydrogen peroxide"
1 ,"react with 2 moles of SO
1 ,"radon",20
1 ,"radioisotope a new","?",1
1 ,"pure sulphuric acid"
1 ,"proton and","?",1
1 ,"proteins"
1 ,"production of","*"
1 ,"produce sulphur trioxide when","an acid is added"
1 ,"produce ammonia when","heated with an alkali"
1 ,"produce Hydrogen chloride gas","when heated with an alkali"
1 ,"prepared in the","t",15
1 ,"potassium",3
1 ,"potassium",20
1 ,"potassium","K",8
1 ,"potassium iodide to","form iodine(I
1 ,"positive charges.","*"
1 ,"polyesters"
1 ,"polyalkenes"
1 ,"plastic phosphorous"
1 ,"pink",141
1 ,"phosphorus",20
1 ,"phosphorus","P",7
1 ,"phosphorous","P",13
1 ,"phosphate is","*"
1 ,"petroleum and natural gas","*"
1 ,"particles","t",16
1 ,"particle, its","?",4
1 ,"particle","t",16
1 ,"part of the","t",13
1 ,"palladium",20
1 ,"paints and pigments"
1 ,"oxygen","O",6
1 ,"oxygen is -2","i",0
1 ,"oxygen gas is that it","*"
1 ,"oxonium"
1 ,"oxide",47
1 ,"oxidation of NH
1 ,"oxidation number","?",8
1 ,"once when it contacts","*"
1 ,"on heating because they","*"
1 ,"of","?",2
1 ,"of this carbon compound","`",3
1 ,"of the hydrogen atom is","*"
1 ,"of the Periodic Table","t",17
1 ,"of sulphuric acid is","*"
1 ,"of hydrogen include","*"
1 ,"of electrons as","*"
1 ,"of different strengths"
1 ,"of concentrated","?",1
1 ,"of chlorine is","*"
1 ,"of chlorine has mass No.","*"
1 ,"of an isotope","t",14
1 ,"occurs at 200
1 ,"occur as","?",8
1 ,"number","`",4
1 ,"number of","t",11
1 ,"number of","`",3
1 ,"nitrogen","N",6
1 ,"nitrogen"
1 ,"nitric acid production"
1 ,"nitric acid on sodium","chloride"
1 ,"nitric acid is in the","t",6
1 ,"nitric acid is in making","*"
1 ,"nickel",150
1 ,"nickel","Ni",11
1 ,"neutrons","t",17
1 ,"neutrons","*"
1 ,"neutron",157
1 ,"neon",20
1 ,"neon","Ne",6
1 ,"native ,as the element"
1 ,"more",151
1 ,"monoxide",74
1 ,"monatomic phosphorous"
1 ,"moles","t",17
1 ,"moles of","`",8
1 ,"moles of","`",3
1 ,"moles of HCl","*"
1 ,"moles of ","`",8
1 ,"molecule of","`",3
1 ,"molecule is","*"
1 ,"molecular",71
1 ,"molecular mass of","`",9
1 ,"molecular mass of","`",6
1 ,"molecular mass of","`",10
1 ,"molecular mass of ","`",9
1 ,"molecular mass of ","`",6
1 ,"mole(s)","t",17
1 ,"mole of","t",17
1 ,"mole of Cl
1 ,"moist blue litmus paper","?",1
1 ,"minerals"
1 ,"mercury(
1 ,"melting point of Al
1 ,"matches"
1 ,"mass",162
1 ,"manganese",20
1 ,"manganese","Mn",8
1 ,"making ammonia"
1 ,"makes hydrogen chloride gas","when heated with an alkali"
1 ,"magnesium",20
1 ,"magnesium","Mg",7
1 ,"magnesium","Mg",10
1 ,"magnesium oxide"
1 ,"made from 32 tonnes of sulphur?","*"
1 ,"lose when it forms an ion","?",3
1 ,"lose when it forms an ion","?",1
1 ,"lose their water of","crystallization"
1 ,"lithium","Li",6
1 ,"lightning",77
1 ,"less",53
1 ,"lead",99
1 ,"lead",20
1 ,"lead","Pb","Its symbol is ","*"
1 ,"lead ethanoate paper","is turned black"
1 ,"layer on its surface","*"
1 ,"lab from dilute H
1 ,"lab by the action","t",16
1 ,"krypton",20
1 ,"krypton","Kr",8
1 ,"isotope","`",8
1 ,"is:","`",3
1 ,"is","`",4
1 ,"is","`",3
1 ,"is","`",2
1 ,"is","`",10
1 ,"is","?",7
1 ,"is","?",10
1 ,"is used ","`",4
1 ,"is the time it takes for","?",1
1 ,"is reacted with","?",2
1 ,"is produced in the lab by","the reduction of HCl"
1 ,"is oxidized","`",4
1 ,"is obtained","t",16
1 ,"is obtained from","t",17
1 ,"is in equilibrium with ","N
1 ,"is formed","*"
1 ,"is formed when sodium","is burnt in air"
1 ,"is formed when aluminium","is burnt in air"
1 ,"is formed by burning","sulphur in air"
1 ,"is extracted","`",2
1 ,"is extracted from the","t",17
1 ,"is extracted by the","`",4
1 ,"is dissolved in","*"
1 ,"is collected in the lab in","a gas jar over water"
1 ,"is carried out at","atmospheric pressure"
1 ,"is called","*"
1 ,"is an electron, produced ","t",17
1 ,"is an acidic gas"
1 ,"is also known as","nitrous oxide-laughing gas"
1 ,"is a very poisonous gas"
1 ,"is a transition metal","t",16
1 ,"is a neutral oxide"
1 ,"is a greenish gas"
1 ,"is ....","t",17
1 ,"is ","?",1
1 ,"iron",46
1 ,"iron",20
1 ,"iron",149
1 ,"iron","Fe",9
1 ,"iron to produce","iron(
1 ,"ion are","*"
1 ,"iodine",20
1 ,"iodine",0
1 ,"iodine","I","Its symbol is ","*"
1 ,"involves an iron catalyst"
1 ,"into cold water","*"
1 ,"initially,it takes","?",4
1 ,"industrially","*"
1 ,"increase",0
1 ,"in","`",6
1 ,"in","`",3
1 ,"in wood fires"
1 ,"in the","t",17
1 ,"in the production of","t",17
1 ,"in the periodic table","*"
1 ,"in the lab from","*"
1 ,"in the lab by the action of","t",17
1 ,"in some nuclear reactors ","t",18
1 ,"in petrol engines"
1 ,"in diesel engines"
1 ,"in a molecule of","`",4
1 ,"important use in","*"
1 ,"hydroxide","t",16
1 ,"hydroxide","*"
1 ,"hydroxide"
1 ,"hydrogensulphate"
1 ,"hydrogensulphate is","*"
1 ,"hydrogen",44
1 ,"hydrogen sulphide"
1 ,"hydrogen sulphide"
1 ,"hydrogen sulphide to ","form sulphur"
1 ,"hydrogen peroxide"
1 ,"hydrogen in","t",14
1 ,"hydrocarbons to form","chloroalkanes only"
1 ,"how many different kinds of","t",17
1 ,"hot concentrated alkali","to form Cl
1 ,"helium",0
1 ,"helium","He",5
1 ,"heating","*"
1 ,"heat on solid ammonium","chloride"
1 ,"heat on hydrogen chloride gas"
1 ,"heat on ammonium nitrate","solution"
1 ,"heat on ammonium chromate"
1 ,"have a lower oxygen:metal","ratio than normal oxides"
1 ,"has formula:NO
1 ,"has a","?",6
1 ,"has a yield of 90%"
1 ,"has a pH above 7"
1 ,"groups",0
1 ,"group IV the","t",17
1 ,"gives","?",4
1 ,"gives the best yield at","high temperatures"
1 ,"give lead II oxide, nitrogen","t",17
1 ,"germanium","Ge",8
1 ,"gas","?",3
1 ,"gallium",20
1 ,"gallium","Ga","Its symbol is ","*"
1 ,"gaining",152
1 ,"gain when it forms an ion?","?",3
1 ,"from sea water by the","Frasch process"
1 ,"from HCl and ...","*"
1 ,"fractional distillation of","?",1
1 ,"found in ice"
1 ,"found in group","*"
1 ,"found beneath","?",6
1 ,"forms","t",17
1 ,"forms salts with acids"
1 ,"formed between two","hydrogen atoms"
1 ,"form ions by","?",2
1 ,"for ammonia is","*"
1 ,"fluorine","F",6
1 ,"flame test is ","?",3
1 ,"flame test is ","?",2
1 ,"fertilizer is","*"
1 ,"extinguishes a burning","splint"
1 ,"extinguishes a burning splint"
1 ,"exists as HSO
1 ,"examples of hydrogen","*"
1 ,"equation for the reaction at","t",16
1 ,"emitted from a","t",16
1 ,"elements is ","?",1
1 ,"elements become","t",17
1 ,"elements become","?",2
1 ,"elements .........","?",2
1 ,"electrolysis from","?",1
1 ,"each puts","?",1
1 ,"does an atom of aluminium","t",17
1 ,"distillation of liquid air","*"
1 ,"dioxide and ......","?",1
1 ,"dilute sulphuric acid on","?",1
1 ,"dilute acid","*"
1 ,"diatomic molecules are there","?",1
1 ,"deuterium"
1 ,"detergents"
1 ,"decreases",127
1 ,"decomposes to","t",16
1 ,"decompose on heating to produce","t",17
1 ,"decays","*"
1 ,"decay chain","`",4
1 ,"covalent",70
1 ,"covaent",113
1 ,"copper",20
1 ,"copper","Cu",12
1 ,"converted to","t",13
1 ,"contains","?",4
1 ,"contains","?",3
1 ,"consists of","?",4
1 ,"consists of","?",1
1 ,"compounds","*"
1 ,"compounds are ....","?",6
1 ,"commercially by the ","t",17
1 ,"colourless",141
1 ,"coke",74
1 ,"cobalt",20
1 ,"cobalt","Co",10
1 ,"chromium",20
1 ,"chromium","Cr",7
1 ,"chlorine",20
1 ,"chlorine",147
1 ,"chlorine",0
1 ,"chlorine","Cl",7
1 ,"chlorine","Cl",15
1 ,"chlorine"
1 ,"chlorine include","*"
1 ,"chlorine can be prepared by","t",5
1 ,"chloride produces","`",3
1 ,"chloride ion is","*"
1 ,"chief constituent of","*"
1 ,"catalytic oxidation of","ammonia"
1 ,"catalytic oxidation of ammonia"
1 ,"carbon","C",6
1 ,"carbon dioxide"
1 ,"carbohydrates"
1 ,"can","`",7
1 ,"can","`",5
1 ,"can only exist in solution"
1 ,"can be oxidized to sulphates"
1 ,"can be made from copper","and nitric acid"
1 ,"calcium",31
1 ,"calcium",20
1 ,"calcium",0
1 ,"calcium","Ca",8
1 ,"caesium",20
1 ,"caesium","Cs","Its symbol is ","*"
1 ,"cadmium",20
1 ,"by the action of","*"
1 ,"by the action of steam on","coke"
1 ,"by reduction of protein"
1 ,"by reduction of an oxide"
1 ,"by reducing metal sulphides","with hydrogen"
1 ,"by losing an ........","?",1
1 ,"by heating coal without air"
1 ,"by burning fuel oil"
1 ,"by burning coal"
1 ,"but the bonds","`",2
1 ,"burns in","?",2
1 ,"bromine",20
1 ,"bromine",100
1 ,"bromine","Br",8
1 ,"bromide",100
1 ,"bromide produces","`",3
1 ,"boron","B",6
1 ,"bonds","`",2
1 ,"bond in","`",9
1 ,"bismuth",20
1 ,"bismuth","Bi","Its symbol is ","*"
1 ,"beta",163
1 ,"beta particles are","t",15
1 ,"beryllium","Be",6
1 ,"because it","*"
1 ,"because it has an","?",1
1 ,"barium",31
1 ,"barium",20
1 ,"barium",0
1 ,"barium","Ba","Its symbol is ","*"
1 ,"bacteria",77
1 ,"atoms present","t",16
1 ,"atoms into the bond","*"
1 ,"atoms in a molecule","t",17
1 ,"atomic",162
1 ,"atomic",161
1 ,"at the cathode","*"
1 ,"asenic","As",8
1 ,"as you go","`",2
1 ,"as the anti-knock","agent in petrol"
1 ,"as the ..... gases","?",1
1 ,"arsenic",20
1 ,"argon",20
1 ,"argon","Ar",7
1 ,"argon","Ar","Its symbol is ","*"
1 ,"are there in a molecule of","`",10
1 ,"are stopped by a","`",2
1 ,"are salts of sulphurous acid"
1 ,"are reducing agents"
1 ,"are more stable than","normal oxides"
1 ,"are known as","?",2
1 ,"are ionic"
1 ,"are high melting point solids"
1 ,"are held","t",17
1 ,"are held together by","?",5
1 ,"are held together by","?",2
1 ,"are held together by ........","?",5
1 ,"are covalent"
1 ,"are both .......... of sulphur","?",1
1 ,"are all ..........","?",1
1 ,"antimony",20
1 ,"antimony","Sb",9
1 ,"anhydrous CaCl
1 ,"and","?",3
1 ,"and nitrogen oxides include :","*"
1 ,"and ","?",3
1 ,"and protons","?",1
1 ,"an ion it","`",5
1 ,"an alkali on bleaching ","powder"
1 ,"amphoteric. They will react","t",17
1 ,"amphoteric oxide is","*"
1 ,"amino acids"
1 ,"aluminium",47
1 ,"aluminium",20
1 ,"aluminium","`",6
1 ,"aluminium","`",2
1 ,"aluminium","Al",7
1 ,"aluminium oxide"
1 ,"aluminium are there in","`",6
1 ,"alloyed with","`",7
1 ,"all the same length"
1 ,"alcohol"
1 ,"air on heated copper"
1 ,"air can be fixed by the","?",3
1 ,"across the table","t",17
1 ,"across the Table","*"
1 ,"acids",50
1 ,"acid on KMNO
1 ,"a white precipitate when","added to AgNO
1 ,"a white precipitate when ","added to AgNO
1 ,"a salt and ","?",6
1 ,"a salt and ","?",5
1 ,"a proton"
1 ,"a nitrogen molecule is","*"
1 ,"a hydrogen molecule is","*"
1 ,"a DC electric current ","on HCl(aq)"
1 ,"Z values: H=1;C=6;N=7;O=8;","Na=11;Mg=12;Si=14"
1 ,"You've confused it","with sulphur"
1 ,"You will need","t",8
1 ,"You will need ","t",6
1 ,"Yes.An important use but","not the major one"
1 ,"Yes. An important use but","not the major one"
1 ,"Yes, it can"
1 ,"White, red and black phosphorus","t",17
1 ,"White phosphorus reacts at","t",5
1 ,"When","`",4
1 ,"When two nitrogen atoms combine","t",17
1 ,"When an element emits","`",4
1 ,"When an atom of","`",5
1 ,"When ammonia reacts with ","t",5
1 ,"When alpha or","t",14
1 ,"When Group VII elements react","t",17
1 ,"What is the missing word?","?",5
1 ,"What is the missing word.","?",6
1 ,"Water+","`",3
1 ,"Water+","`",2
1 ,"Water is a liquid at room","temperature :hydrogen bonding"
1 ,"Unequal numbers of hydrogen","atoms on each side"
1 ,"True, but this is not the ","reason. They decompose."
1 ,"Too many P and O. Not enough H"
1 ,"Too many P and O"
1 ,"Too many N on the right","hand side"
1 ,"To make iron(","`",2
1 ,"Thorium-232","t",14
1 ,"This would be very exothermic"
1 ,"This sublimes"
1 ,"This represents the","configuration of helium"
1 ,"This represents neon"
1 ,"This represents lithium"
1 ,"This represents fluorine"
1 ,"This reacts with the gas"
1 ,"This reacts with acids"
1 ,"This reaction does not take","place"
1 ,"This produces a mixture","of gases"
1 ,"This produces Sodium Carbonate"
1 ,"This produces HCl(g)"
1 ,"This only exists in solution"
1 ,"This is thermally stable"
1 ,"This is the acid salt","hydrogen sulphite"
1 ,"This is produced from natural","gas or petroleum"
1 ,"This is not a drying agent"
1 ,"This is nitrogen dioxide"
1 ,"This is in the same","oxidation state"
1 ,"This is in a higher","oxidation state"
1 ,"This is dinitrogen monoxide"
1 ,"This is an obsolete process"
1 ,"This is an isotope of hydrogen"
1 ,"This is an amphoteric oxide"
1 ,"This is an acidic oxide"
1 ,"This is a use of bromine"
1 ,"This is a neutral oxide"
1 ,"This is a basic oxide"
1 ,"This is OH
1 ,"This gives oxygen when heated","but is not usually used"
1 ,"This gives oxygen but is not","normally used"
1 ,"This experiment only works with","a very soluble gas"
1 ,"This doesn't affect the","pH of water"
1 ,"This dissolves in water","to form an acid"
1 ,"This dissolves in both","acids and alkalis"
1 ,"This describes Chlorine"
1 ,"This compound is unstable and","hence unsuitable"
1 ,"Think of ammonia or fats"
1 ,"They contain different","numbers of neutrons"
1 ,"They are thermally stable"
1 ,"They are oxidizing agents"
1 ,"They are long bonds"
1 ,"They are less stable. They","release their extra oxygen"
1 ,"They are formed between","hydrogen and O,N,F atoms."
1 ,"They are all ionic crystalline","solids"
1 ,"They are all equivalent"
1 ,"These contain C,H and O atoms"
1 ,"These are metallic elements"
1 ,"These are hydrocarbons"
1 ,"There is no reaction"
1 ,"There are","t",16
1 ,"There are","?",8
1 ,"The","`",9
1 ,"The","`",3
1 ,"The yield is 10% at 200 atm.","and 450
1 ,"The valency of phosphate is 3"
1 ,"The valency of all group II","t",17
1 ,"The valency of all group I","t",17
1 ,"The valency of ALL group 3","t",17
1 ,"The test for the presence of","t",5
1 ,"The test for the presence of ","t",5
1 ,"The test for a nitrate"
1 ,"The symbol for an ion of","`",5
1 ,"The sulphur is oxidized"
1 ,"The solution is alkaline"
1 ,"The rock","`",4
1 ,"The relative","t",16
1 ,"The reactivity of the","t",16
1 ,"The reaction occurs at","about 450
1 ,"The oxide product would be","reduced completely to N
1 ,"The oxidation","t",15
1 ,"The oxidation number of","`",6
1 ,"The number of moles of O
1 ,"The number of moles of NO that","t",5
1 ,"The number of grams of H
1 ,"The number of gram of H
1 ,"The metal used as a coolant","t",17
1 ,"The major industrial use","t",5
1 ,"The major industrial use ","t",5
1 ,"The laboratory test for","t",5
1 ,"The isotope","`",6
1 ,"The isotope","`",5
1 ,"The isotope phosphorus-","`",3
1 ,"The isotope chlorine-","`",5
1 ,"The isotope carbon-","`",6
1 ,"The ionic sodium chloride is","the chief source of chlorine"
1 ,"The ion formed: H
1 ,"The hydrogensulphate ion","is HSO
1 ,"The hydrogen ion, H
1 ,"The highest valency oxide of","`",7
1 ,"The highest valency chloride of","`",4
1 ,"The halogen","?",4
1 ,"The half life","t",13
1 ,"The half life of an isotope","t",16
1 ,"The gas is very soluble in ","water"
1 ,"The gas goes not support","combustion"
1 ,"The formula of sodium","t",5
1 ,"The formula of phosphorus","t",5
1 ,"The formula of calcium","t",5
1 ,"The formula of aluminium","`",2
1 ,"The formula of ","`",5
1 ,"The formula of ","`",3
1 ,"The elements","`",8
1 ,"The elements on the","`",2
1 ,"The element with a","`",3
1 ,"The element with a","`",2
1 ,"The element whose symbol","t",17
1 ,"The element whose symbol is","`",6
1 ,"The element whose symbol is","`",3
1 ,"The element whose symbol is ","`",5
1 ,"The element is a non conductor"
1 ,"The element has a high","boiling point"
1 ,"The electrolysis of","`",4
1 ,"The concentrated acid","contains water"
1 ,"The concentrated acid ","contains water"
1 ,"The compound NO
1 ,"The colour of an aqueous","t",17
1 ,"The catalyst","t",15
1 ,"The bonding in a molecule of","t",17
1 ,"The basicity of sulphuric","t",5
1 ,"The basicity of phosphoric(v)","t",5
1 ,"The basicity of nitric acid is","*"
1 ,"The basicity of nitric ","t",5
1 ,"The balanced equation for","t",5
1 ,"The balanced equation for the","t",5
1 ,"The atoms in","`",5
1 ,"The atoms in a","t",16
1 ,"The atoms in a ","t",15
1 ,"The atoms in ","`",2
1 ,"The atomicity of","`",4
1 ,"The atomicity of","`",3
1 ,"The atomicity of white","t",5
1 ,"The atomicity of sulphur is"
1 ,"The atomicity of hydrogen is","?",1
1 ,"The atomicity of hydrogen is","*"
1 ,"The ammonium ion is fairly","stable"
1 ,"The Haber process","*"
1 ,"The H-N-H angle is the","tetrahedral angle 109
1 ,"The Frasch process is used to","extract solid sulphur"
1 ,"The 4 N-H bonds in the ammonium","t",5
1 ,"The %age of N is greater","in the sulphate"
1 ,"Sulphuric acid is obtained","t",5
1 ,"Sulphuric acid can
1 ,"Sulphur is used","*"
1 ,"Sulphur is obtained","t",5
1 ,"Sulphur dioxide(SO
1 ,"Sulphur compounds are often","found in fossil fuels"
1 ,"Sulphur
1 ,"Sulphites","*"
1 ,"Sulphites are stable;","Sulphurous acid is not"
1 ,"Sulphates do not contain","Cl atoms"
1 ,"Sr = 88 N = 14","t",12
1 ,"Some have coloured cations","eg. CuSO
1 ,"Some do, but not all of them"
1 ,"Some do eg. CuSO
1 ,"Si = 28","t",13
1 ,"S=32","t",15
1 ,"S = 32","t",15
1 ,"Remember the valencies","Mg=2 ; N=3"
1 ,"Remember the concentrated acid","is a dehydrating agent"
1 ,"Remember chlorine is an","oxidizing agent"
1 ,"Remember ammonia is an","alkali"
1 ,"Reduction can be the loss of","some oxygen from the molecule"
1 ,"Red lead, Pb
1 ,"Reactivity ......... up","t",17
1 ,"Reactivity ......... down","t",17
1 ,"Reactions between magnesium ","t",5
1 ,"Pure","?",2
1 ,"Pure oxygen is obtained by the","t",17
1 ,"Pure Nitrogen can be prepared","t",5
1 ,"Proteins"
1 ,"Phosphorus sulphide has an","t",5
1 ,"Phosphorus is an element","t",5
1 ,"Phosphorus exists as","tetrahedra"
1 ,"Phosphorous"
1 ,"Phosphorous sulphide catches","fire when it is rubbed"
1 ,"Phosphorous has a valency of 4"
1 ,"Phosphorous exists as","tetrahedra"
1 ,"Phosphorous has a valency of 3"
1 ,"Phosphoric(v) acid"
1 ,"Phosphates"
1 ,"Peroxides","*"
1 ,"Peroxide"
1 ,"PbO and PbO
1 ,"PbO and Pb
1 ,"Ozone is a form of oxygen","t",17
1 ,"Oxygen","*"
1 ,"Oxygen is usually prepared","t",5
1 ,"Oxygen does not burn"
1 ,"Oxygen can be produced by","t",5
1 ,"Oxidation"
1 ,"Ox. No.(","`",3
1 ,"Orthorhombic and monoclinic","t",17
1 ,"Only in the lab."
1 ,"Only a very strong reducing","agent would do this"
1 ,"One of the stable isotopes","t",5
1 ,"One common allotrope of","t",5
1 ,"O=16","t",12
1 ,"O = 16","t",12
1 ,"Not enough H"
1 ,"Not enough H and O"
1 ,"No; an acidic solution"
1 ,"No. This is a protein"
1 ,"No. Think of a refinery"
1 ,"No. They sublime"
1 ,"No. The salt is stable"
1 ,"No. It is stable"
1 ,"No. It is made by heating a","solution of NH
1 ,"No. It is an oxidizing","agent"
1 ,"No. It is a higher ratio.","There is more oxygen present"
1 ,"No. But at low temperatures","the reaction is too slow"
1 ,"No. Ammonium dichromate does","in a very exothermic reaction"
1 ,"No, BaSO
1 ,"No hydrogen chloride is formed"
1 ,"Nitrogen"
1 ,"Nitrogen oxides"
1 ,"Nitrogen is obtained","t",5
1 ,"Nitrogen is 78% of air"
1 ,"Nitrogen from the","t",16
1 ,"Nitrogen atoms are found in :","*"
1 ,"Nitric acid is obtained","t",5
1 ,"Nitric acid can act as","*"
1 ,"Neutral"
1 ,"Neither of these contain","nitrogen."
1 ,"Na=23 N =14","t",12
1 ,"NO is the oxidation product","of NH
1 ,"NO is the oxidation ","product of NH
1 ,"NO and NO
1 ,"N=14","t",11
1 ,"N = 14","t",12
1 ,"N = 14","t",11
1 ,"Most are but some contain","coloured anions"
1 ,"Monoclinic and rhombic","t",5
1 ,"Moisture is needed for this","to happen"
1 ,"Mn=55 H = 1","t",10
1 ,"Mg = 24 H = 1","t",10
1 ,"Methane can be","t",12
1 ,"Metals are produced in this","way"
1 ,"LiF",103
1 ,"Li=7 H =1","t",11
1 ,"Lead II nitrate","t",15
1 ,"KCl",103
1 ,"K =39 O =16","t",15
1 ,"It is weakly acidic"
1 ,"It is usually burnt to form","the oxide"
1 ,"It is produced by the","oxidation of HCl"
1 ,"It is oxidized in the reaction"
1 ,"It is formed","*"
1 ,"It is brown"
1 ,"It is a neutral oxide"
1 ,"It is a group 7 element"
1 ,"It has the formula O","?",1
1 ,"It has no smell"
1 ,"It has 17 protons and roughly","the same number of neutrons"
1 ,"It dissolves but does not react","with water"
1 ,"In the thermite reaction","`",4
1 ,"In the ion","`",8
1 ,"In the blast furnace","`",6
1 ,"In the Contact process, SO
1 ,"In graphite the","t",14
1 ,"In a positive","`",2
1 ,"Important industrial uses","t",5
1 ,"Important industrial uses of","t",5
1 ,"If there are","`",4
1 ,"If hydrogen has three isotopes","t",16
1 ,"Hydrogen sulphide (H
1 ,"Hydrogen should be made in","t",5
1 ,"Hydrogen should be made in the","t",5
1 ,"Hydrogen is usually prepared","t",16
1 ,"Hydrogen is produced","t",5
1 ,"Hydrogen is diatomic"
1 ,"Hydrogen forms ions","t",17
1 ,"Hydrogen burns in","?",3
1 ,"Hydrogen bonds are","*"
1 ,"Hydrogen bonds are fairly weak"
1 ,"Hydrogen bond"
1 ,"Hydrogen Chloride gas (HCl)","*"
1 ,"How many tonnes of SO
1 ,"How many moles of","t",16
1 ,"How many moles of","`",3
1 ,"How many atoms of hydrogen","t",16
1 ,"How many atoms are","t",16
1 ,"High pressure favours the","reaction. It occurs at 200atm"
1 ,"Haber Process"
1 ,"H=1","t",10
1 ,"H = 1 P = 31","t",11
1 ,"H = 1 C = 12","t",11
1 ,"Group VII elements are known as","?",1
1 ,"Group II. What word is missing","?",1
1 ,"Group II the melting points of","t",17
1 ,"Group II metals are known as","?",1
1 ,"Group II carbonates","t",16
1 ,"Group I. What word is missing","?",1
1 ,"Group I the melting points of","t",17
1 ,"Group I metals are known as","?",1
1 ,"Group 0","*"
1 ,"Group 0 elements are known","t",17
1 ,"Ga = 70 S = 32","t",13
1 ,"Fe=56 C =12","t",11
1 ,"F = 9","t",11
1 ,"Elements become","?",2
1 ,"Electron"
1 ,"Each bond","t",16
1 ,"Dinitrogen monoxide","*"
1 ,"Diamond and graphite are called","?",1
1 ,"Deuterium and tritium are","t",5
1 ,"CuO it is acting as","*"
1 ,"Cu=63.5 Cl=35.5","t",15
1 ,"CsI",103
1 ,"Contact Process"
1 ,"Complete this","t",11
1 ,"Complete this formula :","`",3
1 ,"Complete this equation:","t",17
1 ,"Complete this equation:","?",2
1 ,"Complete this equation","t",16
1 ,"Complete the","t",15
1 ,"Complete the formula","t",16
1 ,"Co=59 S =32","t",12
1 ,"Cl= 35.5","t",15
1 ,"Chlorine will react with","*"
1 ,"Chlorine turns","t",16
1 ,"Chlorine is","t",14
1 ,"Chlorine is produced","t",5
1 ,"Chlorine is a stronger","oxidizing agent than SO
1 ,"Chlorine gas (Cl
1 ,"Chlorides"
1 ,"Chloride ions are poisonous","to plants"
1 ,"Calcium phosphate is the","t",5
1 ,"Ca = 40 C = 12","t",11
1 ,"C=12","t",11
1 ,"Browning test"
1 ,"Brown ring test"
1 ,"Br= 80","t",12
1 ,"Because of the ","?",1
1 ,"Basic oxide"
1 ,"Balance this equation","t",17
1 ,"Balance the equation:","?",1
1 ,"Ba =137 O = 16","t",15
1 ,"B = 11 H = 1","t",11
1 ,"As you go","`",2
1 ,"As you go down group V the","t",17
1 ,"As we go from","`",2
1 ,"Anhydrous"
1 ,"An ion of aluminium has","?",1
1 ,"An example of an ammonia","t",5
1 ,"An example of an acidic","t",5
1 ,"An example of an ","t",5
1 ,"An example of a neutral","t",5
1 ,"An example of a basic ","t",5
1 ,"An amphoteric oxide is formed"
1 ,"An alpha particle","t",16
1 ,"An acidic oxide","*"
1 ,"Amphoteric oxide"
1 ,"Ammonium ion"
1 ,"Ammonium compounds"
1 ,"Ammonium chloride crystals","*"
1 ,"Ammonium Chloride is the","white solid product"
1 ,"Ammonia"
1 ,"Ammonia solution","*"
1 ,"Ammonia is good for use in","t",5
1 ,"Ammonia gas could be dried","t",5
1 ,"Aluminium is unreactive","t",16
1 ,"Aluminium is extracted by","t",17
1 ,"Aluminium and its oxide are","t",16
1 ,"All sulphates","*"
1 ,"All ammonium salts","*"
1 ,"Al","?",2
1 ,"Al = 27 O = 16","t",12
1 ,"AgCl",103
1 ,"Acidic oxide"
1 ,"A","?",1
1 ,"A step in the catalytic","t",5
1 ,"A dilute acid does this"
1 ,"A basic oxide is formed"
1 ,"= +","?",3
1 ,"98% sulphuric acid"
1 ,"9","flurine is 2 7",15
1 ,"9","fluorine is 2 7",6
1 ,"8","oxygen is 2 6",6
1 ,"8","oxygen is 2 6",14
1 ,"7","nitrogen is 2 5",13
1 ,"6","carbon is 2 4",6
1 ,"6","carbon is 2 4",12
1 ,"53.5",84
1 ,"50% sulphuric acid"
1 ,"5","boron is 2 3",6
1 ,"5","boron is 2 3",11
1 ,"4","beryllium is 2 2",6
1 ,"4","beryllium is 2 2",10
1 ,"36.5",115
1 ,"35","bromine is 2 8 18 7","The electronic configuration of ","*"
1 ,"30","zinc is 2 8 18 2","The electronic configuration of ","*"
1 ,"3","lithium is 2 1",1
1 ,"3","Lithium is 2 1",6
1 ,"29","copper is 2 8 18 1",12
1 ,"28","cobalt is 2 8 16 2",11
1 ,"27","nickel is 2 8 15 2",10
1 ,"26","iron is 2 8 14 2",9
1 ,"25","manganese is 2 8 13 2",8
1 ,"24","chromium is 2 8 13 1",7
1 ,"23","vanadium is 2 8 11 2",6
1 ,"22","titanium is 2 8 10 2",5
1 ,"212",165
1 ,"21","scandium is 2 8 9 2",4
1 ,"208",165
1 ,"20","calcium is 2 8 8 2","The electronic configuration of ","*"
1 ,"2.8.8.7"
1 ,"2.8.18.8.1"
1 ,"2.8.18.7"
1 ,"2 8","neon is 10",6
1 ,"2 8 8 2","calcium is 20","The number of electrons in an atom of ","*"
1 ,"2 8 8 1","Potassium is 19","The number of electrons in an atom of ","*"
1 ,"2 8 7","chlorine is 17",7
1 ,"2 8 7","chlorine is 17",15
1 ,"2 8 6","sulphur is 16",14
1 ,"2 8 6","sulphur is 16","the number of electrons in an atom of ","*"
1 ,"2 8 5","phosphorus is 15","The number of electrons in an atom of ","*"
1 ,"2 8 5","phosphorous is 15",13
1 ,"2 8 4","silicon is 14",12
1 ,"2 8 4","silicon is 14","The number of electrons in an atom of ","*"
1 ,"2 8 3","aluminium is 13",11
1 ,"2 8 3","aluminium is 13","The number of electrons in an atom of ","*"
1 ,"2 8 2","magnesium is 12",7
1 ,"2 8 2","magnesium is 12",10
1 ,"2 8 18 7","bromine is 35","The number of electrons in an atom of ","*"
1 ,"2 8 1","sodium is 11",1
1 ,"2 8 1","Sodium is 11",7
1 ,"2 7","fluorine is 9",6
1 ,"2 6","oxygen is 8",6
1 ,"2 5","nitrogen is 7",6
1 ,"2 4","carbon is 6",6
1 ,"2 3","boron is 5",6
1 ,"2 2","beryllium is 4",6
1 ,"2 1","Lithium is 3",6
1 ,"19","Potassium is 2 8 8 1","The electronic configuration of ","*"
1 ,"180",166
1 ,"18","argon is 2 8 8","The electronic configuration of ","*"
1 ,"176.5",39
1 ,"17","chlorine is 2 8 7",7
1 ,"17 protons + 18 or 20 neutrons"
1 ,"16","sulphur is 2 8 6","the electronic configuration of ","*"
1 ,"159.5",140
1 ,"14","silicon is 2 8 4","The electronic configuration of ","*"
1 ,"133.5",39
1 ,"130",140
1 ,"13","aluminium is 2 8 3","The electronic configuration of ","*"
1 ,"12","magnesium is 2 8 2",7
1 ,"11","Sodium is 2 8 1",7
1 ,"10% sulphuric acid"
1 ,"10","neon is 2 8",6
1 ,"10","neon is 2 8","The electronic configuration of ","*"
1 ,"1 mole of H
1 ,".......... of carbon","*"
1 ,"......... as you cross the tablefrom left to right","*"
1 ,"........ in the","t",15
1 ,"....... to copper(I)","*"
1 ,".... metallic","?",1
1 ,".... metallic","*"
1 ,".... metallic as you go from","`",2
1 ,"+","t",17
1 ,"+","?",2
1 ,"+ (-2) x","?",3
1 ,") chloride, iron","t",16
1 ,") =","`",3
1 ,"(spell the answer)","i",0
1 ,"(spell the answer!)","*"
1 ,"(element) (oxygen)","?",7
1 ,"(element) (chlorine)","?",4
1 ," is produced","*"
1 ," is .... ","t",16
1 , is thought","t",5
1 , "aluminium","Al",11
1 ) chloride"
1 (s) on HCl(aq)"
1 (l) on NaCl(s)"
1 (g) on NaCl(aq)"
1 (aq) molecules"
1 (aq) is acidic AND a bleach"
1 (NO) = 30"
1 "zinc",131
1 "vanadium",148
1 "to lift airships","to give a red glow","with O
1 "thin sheet of paper","0.5cm sheet of metal"
1 "tetrachloromethane","ammonium bromide","chlorine gas","hydrogen chloride","hydrogen bromide","fluorine gas"
1 "sulphur",89
1 "sulphate is","carbonate is","(SO
1 "steam is gaseous water"
1 "sodium",24
1 "sodium","sodium","lithium","lithium","caesium","caesium","lithium","potassium","sodium","potassium","sodium","lithium"
1 "sodium","magnesium","aluminium","silicon","phosphorous","sulphur","chlorine"
1 "sodium","magnesium","aluminium","chlorine","oxygen","loses","loses","loses","gains","gains"
1 "sodium","lithium","sodium","lithium","sodium","lithium","1","1","2","2","0.5","0.5","sodium sulphate","lithium nitrate","sodium hydroxide","lithium oxide","sodium carbonate","lithium sulphate"
1 "sodium","lithium","caesium","sodium","lithium","caesium","sodium","lithium","1","2","0.5","1","0.5","2","1.5","3","oxygen","chlorine","bromine","nitrogen","oxygen","chlorine","chlorine","bromine"
1 "sodium","lithium","caesium","sodium","lithium","caesium"
1 "sodium","lithium","caesium"
1 "sodium reacts with metals"
1 "sodium oxide","potassium metal","lithium oxide","caesium oxide","rubidium metal"
1 "sodium iodide","lithium hydride","potassium bromide","rubidium chloride","caesium hydroxide"
1 "sodium bromide","potassium chloride","lithium fluoride","silver chloride","caesium iodide"
1 "silver","gold","mercury","cadmium","platinum","palladium"
1 "silicon dioxide","carbon monoxide","carbon dioxide","lead II oxide","tetrachloromethane","lead II chloride","*"
1 "scandium",20
1 "relative atomic mass","atomic number","mass of an atom"
1 "reduced",145
1 "protons","neutrons","protons","neutrons","neutrons","protons","neutrons","protons","oxygen-16","oxygen-17","sulphur-32","sulphur-34","oxygen-15","oxygen-17","sulphur-32","sulphur-34"
1 "process when N
1 "plastic",98
1 "phosphorus","nitrogen"
1 "periods",0
1 "oxygen",20
1 "oxygen",12
1 "oxygen",100
1 "oxygen","sulphur","hydrogen","oxygen","oxygen","hydrogen","oxygen","sulphur dioxide","sulphur trioxide","hydrogen sulphide","steam","hydrogen peroxide","hydrogen peroxide","nitrogen dioxide"
1 "oxidize","reduce","oxidize","oxidize","reduce","to sulphur dioxide","to hydrogen sulphide","to water","to sulphur trioxide","to water"
1 "oxide",45
1 "noble",120
1 "nitrogen",20
1 "nitrogen",0
1 "nitrogen","nitrogen","hydrogen","nitrogen","nitrogen","ammonia","nitrogen","ammonia","nitrogen monoxide","urea"
1 "nitrogen gas","ammonia","nitrogen dioxide","ammonium nitrate","amonium chloride","nitrogen monoxide","white phosphorus"
1 "neon","helium","argon","xenon"
1 "neon","argon","helium","xenon"
1 "methane","ammonia","water","hydrogen"
1 "mass",161
1 "magnesium","phosphorus","magnesium","phosphorus","nitride","pentoxide"
1 "magnesium","calcium","strontium","calcium","barium","magnesium","calcium","barium","1","2","2","2","0.5","1","1.5","0.5","oxygen","chlorine","bromine","oxygen","chlorine","chlorine","bromine","oxygen"
1 "magnesium","calcium","barium"
1 "magnesium","barium","calcium","strontium","calcium","oxide","sulphide","oxide","oxide","sulphide"
1 "magnesium","barium","calcium","calcium","calcium","strontium","1","1","0.5","1","2","2","magnesium sulphate","barium nitrate","calcium hydroxide","calcium oxide","calcium carbonate","strontium sulphate"
1 "magnesium hydroxide","barium hydroxide","calcium hydroxide","strontium nitrate","barium nitrate","magnesium oxide","calcium oxide","magnesium carbonate","calcium carbonate","strontium oxide"
1 "losing",152
1 "lithium",20
1 "lithium",1
1 "lithium","sodium","potassium","rubidium","caesium"
1 "lithium","sodium","caesium","lithium","sodium","caesium"
1 "lithium","beryllium","boron","carbon"
1 "lithium hydroxide","sodium hydroxide","potassium hydroxide","lithium nitrate","sodium nitrate","potassium nitrate","lithium oxide","sodium oxide","potassium oxide"
1 "less",151
1 "less",141
1 "left","right"
1 "lead IV oxide","silicon oxide","tetrachloromethane","PbO","SiO","CCl"
1 "is","is","is","is","is","was once","is","iron","tin","copper","lead","copper and zinc","tin and antimony","copper and antimony","steel","solder","bronze","solder","coinage metal","pewter","pewter"
1 "iron(II) oxide","iron(III) oxide","copper(II) sulphate","copper(I) oxide","cobalt(II) hydroxide","cobalt(II) chloride","manganese(IV) oxide"
1 "iron","nickel","copper","cobalt","manganese","chromium","iron(II) chloride","nickel(III) sulphate","copper(I) oxide","cobalt(II) sulphate","manganese(IV) oxide","chromium(III) oxide"
1 "increases",22
1 "increases",20
1 "increases",127
1 "hydrogen-","tritium","deuterium","tritium","deuterium","neutrons","neutrons","neutron","proton","proton"
1 "hydrogen",136
1 "hydrogen","hydrogen chloride","water","ammonia","methane"
1 "hydrogen chloride","water","hydrogen bromide"
1 "hydrogen chloride","hydrogen bromide","water","hydrogen peroxide","ammonia","hydrogen sulphide","methane","tetrachloromethane","sulphuric acid","nitric acid"
1 "hydrochloric",146
1 "hydrochloric",112
1 "helium-4","helium-3","helium-4","neon-20","neon-21","neon-22","protons","neutrons","neutrons","protons","neutrons","neutrons"
1 "helium",20
1 "helium",128
1 "helium",123
1 "halogens",101
1 "half",166
1 "haber",77
1 "giant",69
1 "giant",154
1 "fluorine",20
1 "fluorine",0
1 "ethane: C
1 "element",164
1 "electron",131
1 "electrolysis of CaF
1 "dioxide",74
1 "diamond","silicon","lead","tin","graphite"
1 "decreases",27
1 "decreases",26
1 "decreases",23
1 "decrease",0
1 "covalent",85
1 "covalent",71
1 "covalent",132
1 "covalent",113
1 "copper",20
1 "contact process","Haber process","making of margarine","oxide","metal","metal"
1 "chlorine-chlorine","hydrogen-bromine","sodium-chlorine","calcium-fluorine","lithium-bromine","bromine-bromine","hydrogen-iodine","hydrogen-chlorine","sodium-bromine","chlorine gas","hydrogen bromide","sodium chloride","calcium fluoride","lithium bromide","bromine gas","hydrogen iodide","hydrogen chloride","sodium bromide"
1 "chlorine",7
1 "chlorine",0
1 "chlorine","bromine","iodine","hydrogen bromide","hydrogen chloride","hydrogen iodide"
1 "chlorine","bromine","fluorine","chlorine","bromide ion","iodide ion","iodide ion","oxidize","oxidize","oxidize","oxidize","reduce","reduce","reduce","bromide to","iodide to","bromide to","iodide to","chlorine to","bromine to","chlorine to"
1 "catalyst",144
1 "carbon",72
1 "carbon",20
1 "carbon","carbon","chlorine","oxygen","carbon","chlorine","oxygen","carbon dioxide","tetrachloromethane","tetrachloromethane","carbon monoxide","ethyne","trichloromethane","the carbonate ion"
1 "carbon is first","carbon dioxide is","iron(III) oxide is
1 "carbon dioxide",37
1 "carbon dioxide","oxygen","water","sulphur dioxide"
1 "carbon dioxide","oxygen gas","a sulphur molecule","sulphur dioxide","hydrogen sulphide","water","carbon monoxide"
1 "carbon dioxide","methane","ethene","tetrachloromethane","carbon monoxide","ethyne"
1 "calcium",31
1 "calcium",0
1 "calcium","magnesium","strontium","barium","strontium","magnesium","strontium","barium","magnesium","calcium"
1 "calcium","barium","magnesium","calcium","barium","magnesium"
1 "calcium","barium","calcium","barium"
1 "calcium oxide","magnesium metal","barium oxide","magnesium oxide","calcium metal","strontium metal"
1 "calcite","barytes","limestone","gypsum","carbonate","sulphate","carbonate","sulphate"
1 "by a Frasch process","from petroleum"
1 "bromine",32
1 "bromine",100
1 "bromine","chlorine","fluorine","chlorine","bromine","bromine","hydrogen chloride","fluorine","chlorine","hydrogen bromide"
1 "bright red","yellow","lilac"
1 "brick red","apple green"
1 "boron",20
1 "blue",141
1 "blende","galena"
1 "betwen","within","within","between"
1 "beta",157
1 "beryllium",20
1 "bauxite",51
1 "argon",122
1 "anode","cathode","2O
1 "an alpha particle is
1 "ammonia","nitrogen dioxide","nitrate","NH","NO","NO"
1 "ammonia","hydrogen gas","methane","hydrogen sulphide","water","sulphuric acid","nitric acid"
1 "aluminium","aluminium","aluminium","1","2","2","chlorine","nitrogen","chlorine"
1 "aluminium hydroxide","gallium chloride","aluminium chloride","boron chloride","aluminium sulphate","boron oxide","gallium oxide","aluminium oxide","aluminium sulphide"
1 "alpha",163
1 "allotropes",0
1 "alkalis",49
1 "alkaline earth",5
1 "alkali",5
1 "acids and","alkalis and"
1 "a beta","an alpha","a beta","an alpha","stays the same","decreases by 4","increases by 1","decreases by 2"
1 "Zn","Zn","Cu
1 "You will be answering questions on groups I, II & III of the Periodic Table."
1 "You will be answering questions about the Periodic Table - noblegases,hydrogen,transition metals,trends and radiochemistry."
1 "You will be answering questions about the Periodic Table - Groups IV, V, VI and VII."
1 "Xenon forms compounds but heliumdoes not"
1 "Which gas is less dense than air"
1 "What neutralizes an alkali?"
1 "What neutralizes an acid?"
1 "What is the formula of nitric acid?"
1 "What is lime water?"
1 "Transition"
1 "This is usually viewed through a blue glass"
1 "This is the first element in the group"
1 "This is dissolved in molten cryolite - Na
1 "This is a yellow solid"
1 "This is a single bond"
1 "Think of yellow street lights"
1 "Think of the name di....?"
1 "Think of the metal's valencies"
1 "Think of sodium chloride"
1 "Think of lead iodide nd tetrachloromethane"
1 "Think of formulae such as: Al
1 "Think of formulae such as MgSO
1 "Think of formulae such as KCl, NaBr, MgI
1 "Think of formulae such as NaCl, K
1 "Think of fire extinguishers"
1 "Think of common salts containingthe ion"
1 "They show very few reactions"
1 "They have LOW boiling points"
1 "They have HIGH boiling points"
1 "They are different forms of the same element"
1 "The valency of the metal is 3"
1 "The valency of the metal is 2"
1 "The valency of the element is 1"
1 "The valency of Aluminium is 3"
1 "The pH of their solution in water is above 7"
1 "The only cation present is Na
1 "The numbers MUST balance on bothsides of the equation"
1 "The molecules have an atomicity of one"
1 "The molecule is tetrahedral"
1 "The metal readily loses an electron"
1 "The metal has a valency of 2"
1 "The melting point of Caesium is 29'C"
1 "The formula of urea is (NH
1 "The formula is AlCl
1 "The formula is (metal)
1 "The elements don't react together"
1 "The atomic number of neon is 10"
1 "The atomic number of hydrogen =1"
1 "The atomic number of helium is 1"
1 "The atomic number of chlorine=17"
1 "The atomic number of Sulphur is 16"
1 "The atomic number of Phosphorus is 15"
1 "The atomic number changes"
1 "The acid is oxidized to CL
1 "The Roman number tells you what the oxidation number is"
1 "Sulphuric acid is H
1 "Sulphuric acid and","sulphur compounds"
1 "Sulphur has a valency of 3 here"
1 "Sulphur has a valency of 2 here"
1 "Sulphur forms S
1 "Sulphur & its oxides"," "
1 "Solubility of sulphates decreases down group II"
1 "Sodium is more reactive than Lithium"
1 "Sodium and nitrogen do not react"
1 "Sc","Ti","V","Cr","Mn","Fe","Co","Ni","Cu","Zn"
1 "Reduction can be the loss of O
1 "Reactivity increases down the group"
1 "Random choice"
1 "Phosphorus and phosphates"," "
1 "Phosphorous is stored underwater"
1 "Oxygen and oxides"," "
1 "Oxidation is electron LOSS"
1 "Oxidation can be the gain of O
1 "O","S","Se","Te"
1 "Nitrogen & its oxides"," "
1 "Nitric acid, nitrates","and nitrites"
1 "Nitric acid is HNO
1 "Nitrate is NO
1 "NaOH solution","molten NaCl","NaCL solution","NaBr solution"
1 "NaBr",103
1 "Na,Mg & Al","Al & Si","Ar & Cl","N,O & F","Na & Mg","C & B","N & O","P & S"
1 "Na is a metal; Cl
1 "N","P","As","Sb","Bi"
1 "Mn","Cr","Mn","MnO
1 "Metals form positive ions"
1 "Look up the alloy in the GEM"
1 "Look up the alloy in the
1 "Look up SULPHUR in the
1 "Look up REDOX in the
1 "Look up RADIOACTIVITY in the
1 "Look up ORE in the
1 "Look up NITROGEN OXIDES"
1 "Look up HYDROGEN in the
1 "Look up HALF LIFE in the
1 "Look up HABER PROCESS in the
1 "Look up CONTACT PROCESS in the
1 "Look up CATALYST in the
1 "Look up BLAST FURNACE in the GEM"
1 "Look up BLAST FURNACE in the
1 "Look up ATOMICITY in the
1 "Look up AMMONIUM COMPOUNDS"
1 "Look the compound up in the
1 "Look carefully at the name of the rock"
1 "Look at the three formulae"
1 "Look at a PERIODIC TABLE"
1 "Lok up CHLORINE in the
1 "Li","Na","K","Rb","Cs"
1 "Lead is divalent"
1 "Its mass numer is 4"
1 "Its atomic number is 11"
1 "It is less dense than air"
1 "It is a flammable gas"
1 "It helps the reaction but is unchanged at the end"
1 "It comprises 1% of air"
1 "It can be moulded"
1 "Is chlorine an oxidizing agent?"
1 "Is HCl an oxidizing agent?"
1 "Iron oxide","Aluminium","the aluminium","the iron gives","is reduced to","is oxidized to","takes the oxygen from","up its oxygen","metallic","aluminium","from the","to the"
1 "In a simple ion the oxidation number equals the charge"
1 "If you answer the question correctly, you win the points. If you get it wrong the computergets the points."
1 "II","III","acid","gas"
1 "Hydroxide is OH.Its valency is 1"
1 "Hydroxide is OH. Its valency is 1"
1 "Hydrogen"," "
1 "Hydrogen is a non-metal"
1 "Hydrogen has a valency of 1"
1 "Horizontal","Vertical"
1 "Here,Nitrogen has a valency of 3"
1 "He","Ne","Ar","Kr","Xe","Rn"
1 "Halogens are non-metals"
1 "Formula=NaOH"
1 "Fehling's","Benedict's"
1 "Fe","Al","2FeCl","2ALCL"
1 "F","Cl","Br","I"
1 "Elements at the top of the groupdo not form ions"
1 "Elements at the top of the groupare non-metallic"
1 "Don't forget the formula is (metal)
1 "Don't forget that the formula is (metal)
1 "Cu(I)","Fe(II)","Cu(II)","Fe(III)","Mn(II)","Mn(III)","Cu(II)","Fe(III)","Cu(I)","Fe(II)","Mn(III)","Mn(II)"
1 "Count the charges on each side of the equation"
1 "Chlorine & hydrogen chloride"," "
1 "Carbonate is CO
1 "C","Si","Sn","Pb"
1 "Bromide ion + electron
1 "Beryllium has a higher M.Pt. than Barium"
1 "Be","Mg","Ca","Sr","Ba"
1 "Barium is more reactive than magnesium"
1 "B","Al","Ga"
1 "Ammonia and its compounds"," "
1 "Acids will remove the layer"
1 "Acid + metal
1 "Acid + Base
1 "A-A A-B A-C B-C B-B & C-C"
1 "A proton is produced too"
1 "37","35","37","neutrons","neutrons","protons","protons","electrons"
1 "35","37",
1 "31","31","31","protons","neutrons","protons"
1 "228","228","212","208","Ra","Ac","Pb","Tl","89","90","83","82","Ac","Th","Bi","Pb"
1 "12","12","13","13","14","14","protons","neutrons","protons","neutrons","protons","neutrons"
1 "10 minutes","4 seconds","12 hours","30 years","1000","128","6000","960","minutes","seconds","hours","years","125","4","375","15"
1 "1","2","2","3","1","1","sulphate","hydroxide","oxide","sulphate","hydroxide","oxide"
1 ","reduction of IO
1 ","electrolysis of NaCl","oxidation of Br
1 ","carbon monoxide","heat is","limestone removes","oxidized to","reduced to","reduced to","reduces iron","by","impurities as","carbon","carbon","metallic","oxide to","burning","molten"
1 ","Mn","Cr","Mn","-1","-2","-1","Mn","Cr","Mn","-1","-2","-1"
1 ","Cu","Fe","Co","Mn"
1 would react with water","t",5
1 will react with","?",1
1 values :","t",10
1 values : ","t",10
1 value of an oxygen","t",5
1 value is 48"
1 to produce","?",1
1 to each other"
1 that ","t",5
1 stops the game":
1 react","found in root nodules","flash in thunderstorms"
1 proton + electron"
1 oxidizes a compound","t",5
1 or a","sulphate"
1 or a ","sulphate"
1 on your tape recorder"
1 it is","t",17
1 is the product"
1 is made in the lab","t",5
1 is formed"
1 is formed in","this reaction"
1 is a serious air pollutant","t",6
1 is a gas"
1 ions are not found in","the solution"
1 for divers"
1 contains","?",1
1 contains the same number","t",5
1 consists of 2 parts of","one oxide +1 part of another"
1 can, but not N
1 can be","t",5
1 but chlorine is diatomic (Cl
1 and","ClO
1 and has valency = 1"
1 acts as","*"
1 acts as an oxidant","t",5
1 acts as a","?",1
1 act as","*"
1 NITROGEN CYCLE"
1 H","t",16
1 Collins 1985";
1 Collins 1985":
1 Collins 1985"
1 CaO, Sr(OH)
1 , but this","is due to the cation"
1 + 2","?",1
1 + ","?",2
1 metals