bellawatsoooon bellawatsoooon
  • 26-03-2017
  • Biology
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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
-2
+1
-1

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Аноним Аноним
  • 26-03-2017
oxygen valance is -2 

as it need two electrons to compete it's subset..


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