# Chapter 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90b: 46b

Nickel II Sulfate

#### Work Step by Step

In this problem, we must first recognize the polyatomic ion sufate: $SO_4^{2-}$. Since there is one Nickel atom, it must have a charge of 2+ for the charges to balanced. When we name this, we get: Nickel II Sulfate

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