Question

what is an octet rule​

Answer 1

The octet rule is a chemical rule of thumb that reflects the observation that main group elements tend to bond in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas.

Answer 2

Answer:

Octet rule states that the max number of electrons in the outermost shell will be given by

$2 {n}^{2} \\ where \: n \: is \: shell \: number$