The electronic configuration of an atom of element X is 2,8,2 what will be the valency of the element x

Question

asked Feb 23, 2022 88.7k views

1 Answer

Kiran Kumar · Answer 1 · 2022-03-01T20:30:42+0000

The element is Magnesium

it has electronic configuration

$\\ \sf\longmapsto 2,8,2$

or

$\\ \sf\longmapsto 1s^22s^22p^63s^2$

In valence cell it has 2 electrons and therefore its valency is 2