Answer:
(i) the number of valence electrons present in S, A and I are 2, 2, 2 respectively. (ii) All these elements have similar properties due to presence of same number of valence electrons in their outermost shells. (iii) All these are metals as they can lose electrons. (iv) All these elements belong to IIA group. Element Atomic number Electronic Configuration S 4 2,2 A 12 2,8,2 I 20 2,8,8,2
You need to login to perform this action.
You will be redirected in
3 sec