Which statement is not correct for Group 2 elements and their compounds?
Ca(OH)2\text{Ca(OH)}_2Ca(OH)2 is used in agriculture to neutralise acidic soils.
BaSO4\text{BaSO}_4BaSO4 is used as a 'barium meal' because of its low solubility.
The cation in Mg(OH)2\text{Mg(OH)}_2Mg(OH)2 has the same electron configuration as a neon atom.
The solubility of Group 2 sulfates increases down the group.
