Question

Electrons have a maximum capacity of 2 electrons in the lower most shell

then in the second shell it has the maximum capacity of 8. What about the third shell is it 8 or 18 (please explain with the reason)

Answer 1

18

Step-by-step explanation:

The third shell has maximum capacity of 18 electrons. The maximum capacity of a shell can be calculated by the formula 2n^2. Where n is shell no. such as 3