Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 77: 2.77e

Answer

HCN

Work Step by Step

There are no prefixes in front of the hydrogen, meaning that there is only one hydrogen. Cyanide is the name for the compound CN-. It makes sense that for every one hydrogen atom, there is one cyanide molecule. After all, the hydrogen ion has a charge of +1, and the cyanide ion has a charge of -1. Thus, the chemical formula for Hydrogen Cyanide is HCN, which is neutral.
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