Question

answer plz if you can give the correct answer or don't give​

Answer 1

Explanation:

a)It is a metal

b)It is more reactive than Calcium because as size increases ability

to remove electron increases and hence it will form ion more easily.

c) It's valency is 2 as it belong to 2nd group and contains 2 electron in outer most shell

d)It's formula of phosphate will be Ba3(PO4)2

e)It is smaller than Caesium (Cs)