Anonymous
Anonymous asked in Science & MathematicsChemistry · 4 weeks ago

What is the oxidation number of all the elements in this compound?  Au2(CrO4)3 CoCO3  CuS2O3?

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  • 4 weeks ago
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    Supposing you meant "in these compounds":

    Au 3+

    Cr 6+

    O 2-

    Co 2+

    C 4+

    O 2-

    Cu 2+

    S 2+

    O 2-

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