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What is the oxidation state for compounds?

User Eshirima
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The oxidation state of any element such as Fe, H2, O2, P4, S8 is zero (0). The oxidation state of oxygen in its compounds is -2, except for peroxides like H2O2, and Na2O2, in which the oxidation state for O is -1.

User Manish Sapkal
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