Question

what happens when an atom gains 8or 2 electron in the outer most orbit?​

Answer 1

Answer:

Explanation:Octet rule: A rule stating that atoms lose, gain, or share electrons in order to have a full valence shell of 8 electrons. (Hydrogen is excluded because it can hold a maximum of 2 electrons in its valence shell)

Answer 2

Answer:

in case of oxygen or other elements of the same group after gaining 2 e it becomes stable as O^2-

but an atom canot gain 8 e as minimum oxidation state is -7 shown by chlorine