## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 2 Atoms, Molecules, and Ions - 2-7 Ionic Compounds: Formulas, Names, and Properties - Review & Check for Section 2-7 - Page 75: 3

B

#### Work Step by Step

The ion $NH_4^+$ is ammonium and the ion $S^{2-}$ is sulfide, so it's ammonium sulfide.

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