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06-01-2022
Chemistry

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The period number of any element is equal to the number of its energy levels

true or false

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06-01-2022

Answer:

The period number refers to the number of electron shells or primary energy levels an atom of each element has. Ex: Period 3 elements—Na, Mg, Al, Si, P, S, Cl, and Ar—have three primary electron energy levels.

true

Explanation:

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