Question

the elements X belongs to 3rd period and 2nd group.is it metal or non metal?why?​

Answer 1

Answer:

(a) The element X has 2 valence electrons because it belongs to group 2. (b) Since the number of valence electrons and the valency of group 2 elements is 2, the valency of element X is 2. (c) Group 2 is on the left side of the periodic table which consists of metals. Therefore X is a metal.

Answer 2

Answer:

since the compound belong to third period and2nd group which is known as alkaline earth metal . so our compound will be metal. metal are the type of compounds which are good conductors of electricity .