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16-02-2021
Biology

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A helium atom that has only two electrons will have its electrons in which orbital(s)?

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16-02-2021

1s orbital

Explanation:

The electron has to go into the first energy level, in the 1s orbital. Helium, with two protons, will have two electrons. These are placed one at a time into the 1s orbital. This makes helium a very contented atom.

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