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14-12-2020
Chemistry

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Magnesium has 12 electrons. How many electrons will be orbiting in the outermost shell, farthest away from the nucleus?

1) 2

2) 10

3) 8

4) 4

5) 3

6) 7

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14-12-2020

Answer:

Magnesium has an outer energy level of n=3 with two electrons in in its energy level. Therefor Magnesium has 2 valance electrons.

Explanation:

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