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

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

2 Answers

3 votes

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

User LapplandsCohan
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6.3k points
5 votes
Magnesium is in group 2, which means it has 2 valence electrons
User A Toll
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