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Topic: Unkown Oxidation Elements  (Read 1867 times)

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Offline dantheman683

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Unkown Oxidation Elements
« on: December 14, 2011, 08:00:25 PM »
Hi I have a question on oxidation.When doing the oxidation number for certain questions, how do you figure out which element you are solving for? I already know that if there are only 2 elements (Oxygen and something else), you solve for the other element because Oxygen will be -2 most of the time. But let's say you have questions like these:
 
NiH^3
 
PCl^5
 
H^3PO^3
 
Which element do you solve for?

Offline Hunter2

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Re: Unkown Oxidation Elements
« Reply #1 on: December 15, 2011, 12:54:55 AM »
Right oxygen is -2, except in peroxy compunds  and compounds with flourine. Which numbers are here possible.

Which possibility has hydrogen for oxidation numbers?

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