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added by Ninjai Dec. 17, 2017, 7:07 p.m.
What is the valence of an oxygen?
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Oxygen has two valence electrons, so its valence is two. In water one oxygen molecule connects with two monovalent hydrogen molecules hence H2O.
Ninjai
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Correct this question
wikipedia → Oxygen
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Very interesting!
reach: rather globalchemistryoxygen

Votes

+1 Very interesting!  smyru
+1 Very interesting!  misanthrope
      Acceptable  olorion