Question

Maximum number of electrons that can be accommodated in shell number 2 is 8. Why?

Answer 1

What decides the maximum capacity of electrons in the shells? According to the 2-8-8 rule, the 3rd orbital has only 8 electrons in its valence orbital, but from the formula 2n^2, the 3rd shell would have 18 electrons in its valence orbital.

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Answer 2

What decides the maximum capacity of electrons in the shells? According to the 2-8-8 rule, the 3rd orbital has only 8 electrons in its valence orbital, but from the formula 2n^2, the 3rd shell would have 18 electrons in its valence orbital.