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The Element Magnesium (Mg)has an Atomic Number of 12

Question 19

Multiple Choice

The element magnesium (Mg) has an atomic number of 12.Therefore,it has _______ electron shells and _______ electrons in the outermost shell.

A) 2;6
B) 2;10
C) 3;2
D) 3;4
E) 4;6

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