Question

The electron configuration for Helium (He) is shown below.

1s2       


Which diagram shows the correct distribution of electrons in the electron shells of a helium atom?

Answer 1

3rd option on edg!

Explanation:

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Answer 2

The diagram that shows the correct distribution of electrons in the electron shells of a helium atom is:

↑↓
1s __

This is two electrons with opposed spin in the same orbital. The arrows with opposed directions are used to represent the opposed spins.