Group 2

All group 2 sulfates are... except for..

• insoluble, BaSO4 and MgSO4

• soluble, BaSO4 and MgSO4

• soluble, BeSO4 and MgSO4

• insoluble, BeSO4 and MgSO4

Solubility of Group II hydroxides ... down the group

• increases

• decreases

All group I hydroxides are .... in water

• insoluble

• soluble

Group II elements are strong reducing agents, characterised by... (mention 2)

The reactivity of Group II metals with acid decreases down the group. True or False

• True

• False

What is another amphoteric oxide besides aluminium?

What are the trends in first ionization energy and electronegativity of the elements down Group 2?

• Ionization energy increases, electronegativity increases

• Ionization energy decreases, electronegativity decreases

• Ionization energy increases, electronegativity decreases

• Ionization energy decreases, electronegativity increases

The carbonates, nitrates and hydroxides of Group 2 elements decompose to their respective oxides when heated. Hence, it can be concluded that...

• all compounds of Group 2 elements are unstable to heat

• the oxide is energetically more stable than the carbonates, nitrates and hydroxides

• Group 2 elements are stable to heat

• the oxide is energetically less stable than the carbonates, nitrates and hydroxides

What are the trends in thermal stability of carbonates and nitrates down Group 2?

• Carbonates increase

• Carbonates increase

• nitrates decrease

• nitrates increase

The nitrates of Group 2 elements are decomposed by heat. Which of these nitrates in Group 2 has the lowest thermal stability?

• Beryllium nitrate

• Magnesium nitrate

• Calcium nitrate

• Barium nitrate