Question

what is (Dichromate"s) symbol and it's valencies ???????????
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Answer 1

Answer:

Dichromate salts contain the dichromate anion, Cr. Valency 2- Hope it helps...

Answer 2

Answer:

Here is the answer. 2O7 2-. They are oxoanionsof chromium in the 6+ oxidation state .

Here is the answer. 2O7 2-. They are oxoanionsof chromium in the 6+ oxidation state .

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