g2oli0neLULaley g2oli0neLULaley

11-03-2016
Chemistry

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How do how do you know the number of valence electrons in an atom from the periodic table? User: How do you know the number of valence electrons from the periodic table?

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Starlightx3 Starlightx3

15-03-2016

The valence electrons is last outer shell of an atom. So it is the last number of the electron configuration on the periodic table.

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