Question

If Z = 3, what would be the valency of the element? Also, name the element​

Answer 1

Answer:

z=atomic no

3 is atomic no. of Lithium

valency-4-3=1

Answer 2

Answer:

if z=3, the element is lithium

valency is 1, as:

it is in group I

it's inner/first shell is filled with 2 electrons

it's outer/second shell has 1 electron, so it loses 1 electron when it forms ions

Explanation:

hope it helps