The formula name for Ni2(SO4) is nickel(II) sulfate.
The systematic name for the compound Ni2SO4₃ is nickel(III) sulfate. In this compound, nickel has an oxidation state of +3, and the sulfate ion (SO₄) has a charge of -2. The formula indicates that there are two nickel ions for every three sulfate ions, maintaining charge balance.
The formula name for Ni2(SO4) is nickel(II) sulfate.
The systematic name for the compound Ni2SO4₃ is nickel(III) sulfate. In this compound, nickel has an oxidation state of +3, and the sulfate ion (SO₄) has a charge of -2. The formula indicates that there are two nickel ions for every three sulfate ions, maintaining charge balance.