AQA A-LEVEL CHEMISTRY – PERIODICITY
QUESTIONS WITH ANSWERS 2026 - 2026
s,block,,,ANS,-The,block,that,belongs,to,hydrogen,and,groups,1,and,2
Elements,that,have,their,highest,energy,e-,in,s-orbitals
E.G.,Na,1s1,2s2,2p6,3s1
p,,,ANS,-The,block,that,belongs,to,the,non-metals,and,metalloids
Elements,that,have,their,highest,energy,e-,in,p-orbitals
E.G.,C,1s1,2s2,2p2
d,,,ANS,-Transition,metals,and,b-
block,are,not,exactly,the,same,(Scandium,and,Zinc,are,not,transition,metals)
Elements,that,have,their,highest,energy,e-,in,d-orbitals
1s1,2s2,2p6,3s2,3p6,4s2,3d6
f,,,ANS,-The,block,that,belongs,to,the,lanthanides,and,antinides
Groups,,,ANS,-columns,on,the,periodic,table
Elements,have,similar,properties,in,same,group
1-8,or,1-18,(if,transition,included)
Reactivity,,,ANS,-s-
block,elements,(metals),are,more,reactive,going,down,a,group,(increased,shielding,counteracts,increased,
nuclear,chanrge
non-metals,are,more,reactive,going,up,a,group
Transition,metals,are,rather,unreactive
Structure,and,bonding,of,period,3,elements,,,ANS,-Group,1,,2,,3,(Na,,Mg,,Al):,giant,metallic,,lose,outer,e-
,to,form,ionic,compounds
QUESTIONS WITH ANSWERS 2026 - 2026
s,block,,,ANS,-The,block,that,belongs,to,hydrogen,and,groups,1,and,2
Elements,that,have,their,highest,energy,e-,in,s-orbitals
E.G.,Na,1s1,2s2,2p6,3s1
p,,,ANS,-The,block,that,belongs,to,the,non-metals,and,metalloids
Elements,that,have,their,highest,energy,e-,in,p-orbitals
E.G.,C,1s1,2s2,2p2
d,,,ANS,-Transition,metals,and,b-
block,are,not,exactly,the,same,(Scandium,and,Zinc,are,not,transition,metals)
Elements,that,have,their,highest,energy,e-,in,d-orbitals
1s1,2s2,2p6,3s2,3p6,4s2,3d6
f,,,ANS,-The,block,that,belongs,to,the,lanthanides,and,antinides
Groups,,,ANS,-columns,on,the,periodic,table
Elements,have,similar,properties,in,same,group
1-8,or,1-18,(if,transition,included)
Reactivity,,,ANS,-s-
block,elements,(metals),are,more,reactive,going,down,a,group,(increased,shielding,counteracts,increased,
nuclear,chanrge
non-metals,are,more,reactive,going,up,a,group
Transition,metals,are,rather,unreactive
Structure,and,bonding,of,period,3,elements,,,ANS,-Group,1,,2,,3,(Na,,Mg,,Al):,giant,metallic,,lose,outer,e-
,to,form,ionic,compounds