AQA GCSE CHEMISTRY HIGHER TIER PAPER 1
QP 2021
What gis gthe gcharge gof ga gproton? g- ganswers+1
What gis gthe gcharge gof ga gneutron? g- ganswers0
What gis gthe gcharge gof gan gelectron? g- ganswers-1
What gis gthe grelative gmass gof ga gproton? g- ganswers1
What gis gthe grelative gmass gof ga gneutron? g- ganswers1
What gis gthe grelative gmass gof gan gelectron? g- ganswersVery gsmall
How gmany gtypes gof gatoms gdo gelements gcontain? g- ganswersOnly gone gtype
What gare gcompounds? g- ganswersSubstances gcontaining gtwo gor gmore gdifferent gelements
gthat gare gchemically gbonded gtogether
What gare gmixtures? g- ganswersSubstances gcontaining gtwo gor gmore gdifferent gelements gthat
gare gnot gchemically gbonded gtogether
What gpattern gis gformed gfrom gcarrying gout gpaper gchromatography? g-
ganswersChromatogram
,Which gmethod gof gseparation gis guseful gto gseparate gan ginsoluble gsolid gfrom ga gliquid? g-
ganswersFiltration
Which gmethod gof gseparation gis guseful gto gseparate ga gsoluble gsolid gfrom ga gliquid? g-
ganswersEvaporation gor gCrystillisation
Which gmethod gof gdistillation gseparates gliquids gwith gsimilar gboiling gpoints? g-
ganswersFractional gdistillation
Who gdiscovered gthat gthe gplum gpudding gmodel gwas gwrong? g- ganswersErnest gRutherford
Who gdevised gan gexperiment gthat gproved gthe gexistence gof gthe gneutron? g- ganswersNiels
gBohr
Why gdid gMendeleev gleave ggaps gin ghis gTable gof gElements? g- ganswersTo gensure gthat
gelements gwith gsimilar gproperties gstayed gin gthe gsame ggroups. gThe ggaps gindicated gthe
gexistence gof gundiscovered gelements gand gallowed gMendeleev gto gpredict gwhat gtheir
gproperties gmight gbe
How gare gthe ggroup gnumber gand gthe gnumber gof gelectrons gin gthe gouter gshell gof gan
gelement grelated? g- ganswersThe ggroup gnumber gtells gyou ghow gmany gelectrons gare gin gthe
gouter gshell gof gan gelement. gE.g. gsodium gis gin gGroup g1 gtherefore git ghas g1 gelectron gon gits
gouter gshell
What gkind gof gions gdo gmetals gform? g- ganswersPositive
Where gare gthe gnon-metals gon gthe gperiodic gtable? g- ganswersOn gthe gright ghand gside
,Give gthree gproperties gwhich gare gspecific gto gtransition gmetals g- ganswers1) gThey gcan gform
gmore gthan gone gion ge.g gcobalt gform gCo2+
2) gThey gare goften gcoloured, gtherefore gcompounds gwhich gcontain gthem gare gcolourful ge.g.
gpotassium gchromate gis gyellow
3) gThey goften gmake ggood gcatalysts ge.g. gnickel gbased gcatalysts gare gused gin gthe
ghydrogenation gof galkenes
State gthree gtrends gas gyou ggo gdown gGroup g1 g- ganswers1) gIncreased greactivity g- gthe gouter
gelectron gis gmore geasily glost gas gthe gattraction gbetween gthe gnucleus gand gthe gelectron
gdecreases gbecause gthe gelectron gis gfurther gaway gfrom gthe gnucleus
2) gLower gmelting gand gboiling gpoints
3) gHigher grelative gatomic gmass
What gare gthe gproducts gof gthe greaction gof ga gGroup g1 gmetal gand gwater g-
ganswersHydrogen ggas gand ga gmetal ghydroxide
E.g. gsodium g+ gwater g--> gsodium ghydroxide g+ ghydrogen
What's gthe gdifference gbetween gthe ghardness gof gGroup g1 gand gtransition gmetals? g-
ganswersTransition gmetals gare gharder, gdenser gand gstronger gthan gGroup g1 gmetals
What's gthe gdifference gbetween gthe greactivity gof gGroup g1 gand gtransition gmetals? g-
ganswersGroup g1 gmetals gare gmuch gmore greactive gthan gtransition gmetals
What's gthe gdifference gbetween gthe gmelting gpoints gof gGroup g1 gand gtransition gmetals? g-
ganswersTransition gmetals ghave ghigher gmelting gpoints gthan gGroup g1 gmetals
What gtrends goccur gas gyou ggo gdown gGroup g7? g- ganswers1) gThey gbecome gless greactive g-
git's gharder gto ggain gan gextra gelectron gbecause gthe gouter gshell's gfurther gfrom gthe gnucleus
2) gThey ghave ghigher gmelting gand gboiling gpoints
, 3) gThey ghave ghigher grelative gatomic gmasses
What gis gthe gcharge gof gthe gions gthat ghalogens gform gwhen gthey greact gwith gmetals? g-
ganswersThey gform gnegative gions
What gis gthe gtrend gin gboiling gpoint gas gyou ggo gdown gGroup g0? g- ganswersThe gboiling
gpoints gincrease
What gsubatomic gparticles gdoes gthe gnucleus gcontain? g- ganswersProtons gand gneutrons
What gis grelative gatomic gmass? g- ganswersThe gmass gnumber gwhich grefers gto gthe gelement
gas ga gwhole
How gare gpositive gions gformed? g- ganswersA gmetal gatom gloses gelectrons
How gare gnegative gions gformed? g- ganswersA gnon-metal ggains gelectrons
What gis gair ga gmixture gof? g- ganswersGases, gmainly gnitrogen, goxygen, gcarbon gdioxide gand
gargon
What gis gcrude goil ga gmixture gof? g- ganswersDifferent glength ghydrocarbon gmolecules
How gcan gyou gseparate gsubstances gin ga gmixture? g- ganswersChromatography
What gis gsimple gdistillation gused gfor? g- ganswersSeparating gout ga gliquid gfrom ga gsolution
E.g. gseparating gpure gwater gfrom gseawater
QP 2021
What gis gthe gcharge gof ga gproton? g- ganswers+1
What gis gthe gcharge gof ga gneutron? g- ganswers0
What gis gthe gcharge gof gan gelectron? g- ganswers-1
What gis gthe grelative gmass gof ga gproton? g- ganswers1
What gis gthe grelative gmass gof ga gneutron? g- ganswers1
What gis gthe grelative gmass gof gan gelectron? g- ganswersVery gsmall
How gmany gtypes gof gatoms gdo gelements gcontain? g- ganswersOnly gone gtype
What gare gcompounds? g- ganswersSubstances gcontaining gtwo gor gmore gdifferent gelements
gthat gare gchemically gbonded gtogether
What gare gmixtures? g- ganswersSubstances gcontaining gtwo gor gmore gdifferent gelements gthat
gare gnot gchemically gbonded gtogether
What gpattern gis gformed gfrom gcarrying gout gpaper gchromatography? g-
ganswersChromatogram
,Which gmethod gof gseparation gis guseful gto gseparate gan ginsoluble gsolid gfrom ga gliquid? g-
ganswersFiltration
Which gmethod gof gseparation gis guseful gto gseparate ga gsoluble gsolid gfrom ga gliquid? g-
ganswersEvaporation gor gCrystillisation
Which gmethod gof gdistillation gseparates gliquids gwith gsimilar gboiling gpoints? g-
ganswersFractional gdistillation
Who gdiscovered gthat gthe gplum gpudding gmodel gwas gwrong? g- ganswersErnest gRutherford
Who gdevised gan gexperiment gthat gproved gthe gexistence gof gthe gneutron? g- ganswersNiels
gBohr
Why gdid gMendeleev gleave ggaps gin ghis gTable gof gElements? g- ganswersTo gensure gthat
gelements gwith gsimilar gproperties gstayed gin gthe gsame ggroups. gThe ggaps gindicated gthe
gexistence gof gundiscovered gelements gand gallowed gMendeleev gto gpredict gwhat gtheir
gproperties gmight gbe
How gare gthe ggroup gnumber gand gthe gnumber gof gelectrons gin gthe gouter gshell gof gan
gelement grelated? g- ganswersThe ggroup gnumber gtells gyou ghow gmany gelectrons gare gin gthe
gouter gshell gof gan gelement. gE.g. gsodium gis gin gGroup g1 gtherefore git ghas g1 gelectron gon gits
gouter gshell
What gkind gof gions gdo gmetals gform? g- ganswersPositive
Where gare gthe gnon-metals gon gthe gperiodic gtable? g- ganswersOn gthe gright ghand gside
,Give gthree gproperties gwhich gare gspecific gto gtransition gmetals g- ganswers1) gThey gcan gform
gmore gthan gone gion ge.g gcobalt gform gCo2+
2) gThey gare goften gcoloured, gtherefore gcompounds gwhich gcontain gthem gare gcolourful ge.g.
gpotassium gchromate gis gyellow
3) gThey goften gmake ggood gcatalysts ge.g. gnickel gbased gcatalysts gare gused gin gthe
ghydrogenation gof galkenes
State gthree gtrends gas gyou ggo gdown gGroup g1 g- ganswers1) gIncreased greactivity g- gthe gouter
gelectron gis gmore geasily glost gas gthe gattraction gbetween gthe gnucleus gand gthe gelectron
gdecreases gbecause gthe gelectron gis gfurther gaway gfrom gthe gnucleus
2) gLower gmelting gand gboiling gpoints
3) gHigher grelative gatomic gmass
What gare gthe gproducts gof gthe greaction gof ga gGroup g1 gmetal gand gwater g-
ganswersHydrogen ggas gand ga gmetal ghydroxide
E.g. gsodium g+ gwater g--> gsodium ghydroxide g+ ghydrogen
What's gthe gdifference gbetween gthe ghardness gof gGroup g1 gand gtransition gmetals? g-
ganswersTransition gmetals gare gharder, gdenser gand gstronger gthan gGroup g1 gmetals
What's gthe gdifference gbetween gthe greactivity gof gGroup g1 gand gtransition gmetals? g-
ganswersGroup g1 gmetals gare gmuch gmore greactive gthan gtransition gmetals
What's gthe gdifference gbetween gthe gmelting gpoints gof gGroup g1 gand gtransition gmetals? g-
ganswersTransition gmetals ghave ghigher gmelting gpoints gthan gGroup g1 gmetals
What gtrends goccur gas gyou ggo gdown gGroup g7? g- ganswers1) gThey gbecome gless greactive g-
git's gharder gto ggain gan gextra gelectron gbecause gthe gouter gshell's gfurther gfrom gthe gnucleus
2) gThey ghave ghigher gmelting gand gboiling gpoints
, 3) gThey ghave ghigher grelative gatomic gmasses
What gis gthe gcharge gof gthe gions gthat ghalogens gform gwhen gthey greact gwith gmetals? g-
ganswersThey gform gnegative gions
What gis gthe gtrend gin gboiling gpoint gas gyou ggo gdown gGroup g0? g- ganswersThe gboiling
gpoints gincrease
What gsubatomic gparticles gdoes gthe gnucleus gcontain? g- ganswersProtons gand gneutrons
What gis grelative gatomic gmass? g- ganswersThe gmass gnumber gwhich grefers gto gthe gelement
gas ga gwhole
How gare gpositive gions gformed? g- ganswersA gmetal gatom gloses gelectrons
How gare gnegative gions gformed? g- ganswersA gnon-metal ggains gelectrons
What gis gair ga gmixture gof? g- ganswersGases, gmainly gnitrogen, goxygen, gcarbon gdioxide gand
gargon
What gis gcrude goil ga gmixture gof? g- ganswersDifferent glength ghydrocarbon gmolecules
How gcan gyou gseparate gsubstances gin ga gmixture? g- ganswersChromatography
What gis gsimple gdistillation gused gfor? g- ganswersSeparating gout ga gliquid gfrom ga gsolution
E.g. gseparating gpure gwater gfrom gseawater
