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Chemistry 14 Online
SkyVoltage43:

When an atom in a reactant gains electrons, what happens to its oxidation number? Its oxidation number decreases. Its oxidation number doubles. Its oxidation number increases. Its oxidation number increases by one. Its oxidation number stays the same.

SkyVoltage43:

@JustSaiyan

JustSaiyan:

Its oxidation number decreases.

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