The first shell of any atom can contain up to how many electrons?

1 Answer
Aug 27, 2016

The first shell in atoms contain one orbital only that can hold up to two electrons.

Explanation:

The first shell in atoms contain one orbital only that can hold up to two electrons.

The first energy level (shell) has the quantum number n=1.

Inside this shell you have the orbital s. This explains why all electron configuration of elements starts with 1s^2.