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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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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

User Stephan Steiner
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1 Answer

4 votes

Answer:

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

Step-by-step explanation:

User Davidjhinson
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