Atomic structure — Chemistry 9701 AS & A Level Question & Worked Solution

Which row is the correct one?

Athe temperature needed to decompose Group 2 metal nitrates decreases down the group; the solubility of Group 2 sulfates decreases down the group
Bthe temperature needed to decompose Group 2 metal nitrates decreases down the group; the solubility of Group 2 sulfates increases down the group
Cthe temperature needed to decompose Group 2 metal nitrates increases down the group; the solubility of Group 2 sulfates increases down the group
Dthe temperature needed to decompose Group 2 metal nitrates increases down the group; the solubility of Group 2 sulfates decreases down the group

Atomic structure — practice question