What is the chemical formula for chromium(II) bromide?

1 Answer
anor277
Jan 31, 2016

Chromium(II) bromide = #CrBr_2#.

Explanation:

For chromium(II) bromide it is stipulated that the metal centre is in a #II^+# oxidation state. Since we deal with #Cr^(2+)#, and the normal oxidation state of the halogens is #-I#, i.e. #X^-#, if they are combined we naturally get the give formula.
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Can you give me the formulae of iron (III) bromide, and chromium (III) chloride, and iron (II) iodide?

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