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According to the information on the periodic table, which of the following could represent element X?

A. Aluminum (Al)
B. Sodium (Na)
C. Chlorine (Cl)
D. Nitrogen (N)

According to the information on the periodic table, which of the following could represent-example-1
User Bnbeckwith
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1 Answer

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17 votes

chlorine because it has 7 electrons on the outer shell

User HienPham
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