EdrianaDavis80241 EdrianaDavis80241

25-02-2024
Chemistry

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A chromate ion consists of four oxygen atoms bonded to a chromium atom. It has two extra electrons. What is the formula of this ion?
a) Cr₄O₂⁻
b) CrO₄²⁺
c) CrO₄²⁻
d) Cr₂O₄⁺

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