S Block Elements

$\mathrm{BeCO}_3<\mathrm{MgCO}_3<\mathrm{CaCO}_3<\mathrm{SrCO}_3$ (Thermal stability)

$\mathrm{BeSO}_4>\mathrm{MgSO}_4>\mathrm{CaSO}_4>\mathrm{SrSO}_4$ (Solubility in water)

$\mathrm{Li}_2 \mathrm{CO}_3>\mathrm{Na}_2 \mathrm{CO}_3>\mathrm{K}_2 \mathrm{CO}_3>\mathrm{Rb}_2 \mathrm{CO}_3$ (Thermal stability)

$\mathrm{BeCO}_3>\mathrm{MgCO}_3>\mathrm{CaCO}_3>\mathrm{SrCO}_3$ (Solubility in water)