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Chemistry
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Oxygen "always" has an oxidation number of -2 except Check your score
  Play           Question 9 of 161 in this category.    

Oxygen "always" has an oxidation number of -2. But there are several exceptions. In which of the following compounds and ions does oxygen have an oxidation number of +2?
 
A.
H2O2
 
B.
O
 -
2

 
C.
OF2
 
D.
O
 -
3

 
E.
O2F2
 

 
  * Quiz question created by Tutor12481 on 07 December 2005 at 11:33pm

 
 
 
 
 
 

 




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Oxygen "always" has an oxidation number of -2 except


hihi...i dunn understand tis question....pls help me...thx

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