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rewona [7]
3 years ago
13

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
Biology
2 answers:
VladimirAG [237]3 years ago
7 0

Answer:

The correct answer is -2

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

Alex73 [517]3 years ago
6 0
-2,-1 2-2=4 . hope this helps
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