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Chemistry 10 Online
OpenStudy (anonymous):

what is the oxidation number of phosphorus

OpenStudy (preetha):

Nathalie, oxidation number is only calculated for an element in a compound. A free elemental atom has Ox num of 0.

OpenStudy (anonymous):

It does not have a charge or oxidation number by itself. When it is in a compound, the oxidation number differs depending on what it is with.

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