What is the chemical formula for the compound formed between chromium(iii) and the sulfate ion

The chemical formula of the given compound is

Explanation:

The combination of chromium and sulfate ions leads to the formation of an ionic compound having chemical name as chromium (III) sulfate. The electrons get transferred from chromium atom to sulfate ion.

Chromium is the 24th element of the periodic table. It is a metal and it looses its electrons. The electronic configuration for this element is

This element will loose 3 electrons and forms ion.

Sulfate ion is a polyatomic ion having chemical formula of

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for chromium (III) sulfate is

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