Calcium, magnesium and strontium have been put together in the same group of Periodic Table on the basis of their similar chemical properties. (i) Mention those properties. (Any two) (ii) Out of the three elements, which one will have atoms of biggest size and why ? (iii) Which is the first member of this group ?

Calcium, magnesium and strontium have been put together in the same gr

1.	Calcium, magnesium and strontium have been put together in the same group of Periodic Table on the basis of their similar chemical properties. (i) Mention those properties. (Any two) (ii) Out of the three elements, which one will have atoms of biggest size and why ? (iii) Which is the first member of this group ?
Answer» SOLUTION :(i) (a) They show metallic PROPERTIES. (b) Their oxides are BASIC in nature. (ii) STRONTIUM has atoms of biggest size. As we move down in the group, atomic size increases. (iii) Beryllium (Be).