Question

Discussion the general characteristics and gradation in properties of alkaline earth metals

Answer 1

conductors of electricity.They have a gray-white lustre when freshly cut but tarnish readily in air, particularly the heavier members of the group. beryllium is sufficiently hard to scratch glass, but barium is only slightly harder than lead.The (mp) and  (bp) of the group are higher than those of the corresponding alkali metals

Answer 2

Explanation:

hope it helps.................................................