Which of the following elements has two (2) valence electrons? A. Na B. Mg C. Al D. S

asked Apr 16, 2018 122k views

4 votes

Which of the following elements has two (2) valence electrons?

A. Na
B. Mg
C. Al
D. S

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3 votes

B. Mg because it is in the second column of the periodic table

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5 votes

Magnesium is in group 2, which means it has 2 valence electrons

A Toll answered Apr 21, 2018

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