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Oxygen has an atomic number of 8. The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. Oxygen's valence is _____. -2 -1 +2 +1
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Oxygen has an atomic number of 8. The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. Oxygen's valence is _____.

-2
-1
+2
+1

User Kevinmm
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1 Answer

6 votes

Answer:

The correct answer is -2

Oxygen has 6 valence electrons, which is 2 electrons short of a neutral charge, thus it is -2

User Datt Patel
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