When we are talking about the nth shell, how many electrons can it house?
3n2
2n3
2n2
n2
The number of electrons in any shell is given by the formula 2n2 where n is the shell number.
How We can say that noble gases have 8 electrons in its outer shell?
How many electrons (maximum) can be present in the first shell?
Draw your house here and talk about it.