Chemistry, 09.06.2020 23:57 flax05

What is oxidation number of Cr in Cr20-2-?
+2
+12
+6

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What is oxidation number of Cr in Cr20-2-?
+2
+12
+6...

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What is oxidation number of Cr in Cr20-2-? +2 +12 +6

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What is oxidation number of Cr in Cr20-2-?
+2
+12
+6