Chemistry, 17.06.2021 17:30 sabrinarasull1pe6s61

Please help! Which of the following ions is in the highest oxidation state?

A. P in H2PO- 4
B. Fe in Fe2O3
C. Cr in Cr2O2- 7

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Please help! Which of the following ions is in the highest oxidation state?

A. P in H2P...