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Oxidation number of Br?

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Answer:

Bromine is in the seventh family on the periodic table. That means that it has seven valence electrons. It wants to have eight valence electrons to be stable, so it will gain an electron, making it negative. The oxidation number of Br is Br^-1.

First answer by Zigrj12563. Last edit by Zigrj12563. Contributor trust: 44 Question popularity: 1 [recommend question].

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