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Earlier discussion
3 older comments kept for context.
Chisom Obi
The formula is given by
2 (n)²
Chisom Obi
\( The maximum number of electrons that
can be accommodated in the shell having the
principal quantum number 3 is given by
s o l u t I o n
when n is 1 =2
N is 2= 2(2)^2= 8
N is 3= 2(3)^2=18
Chidera Precious
D