Define octet rule.Write its two limitations.
Answers
Answered by
2
The tendency to of making eight electrons in its valence shell is called octet rule.
(1) Hydrogen with 1 electron attains stability by sharing, gaining or losing 1 valence electron. It does not need to complete octet to attain stability. Also, He has only 2 electrons and is stables.
Incomplete octet: In certain molecules such as BeH
2
, BeCl
2
, BH
3
, BF
3
, the central atom has less than 8 electrons in its valence shell, yet the molecule is stable.
Similar questions