The valence of chromium in the CrO3 compound is …
| December 14, 2020 | education
the oxygen valence is always 2.
we have 3 oxygen atoms. multiply 2 by 3 (2 × 3 = 6) and divide by the number of chromium atoms, that is, by 1.
6: 1 = 6
the valence of chromium in this compound is 6
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