Cr₂O₃ is the systematic formula for the name chromic oxide.
The chemical formula that gives total number of atoms of each element in one molecule of a compound is called Molecular Formula.
Oxidation state is also known as oxidation number. It is defined as the atom is equal to the total number of electrons which have been removed from the element in order to form chemical bond with other atom.
Here, cation is chromic which shows chromium in is +3 oxidation state. So the cation is represented as Cr⁺³.
Again, the oxide is represented as O⁻².
Chromic oxide is inorganic compound which is also called chromium (III) oxide or dichromic trioxide.
Thus from the above conclusion we can say that The systematic formula for the name chromic oxide is Cr₂O₃.
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