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02-11-2021
Chemistry

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I have seven energy levels, but only 1 valence eletron?

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02-11-2021

Answer:

Francium (Fr)

Explanation:

Looking at the periodic table, Francium has 7 energy levels as it is in the 7th Period and is in the 1st Group (meaning it has one electron in the outermost shell) which suggests that it has one valence electron.

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