Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 2 - Chemical Compounds - Questions for Review and Thought - Topical Questions - Page 90b: 47c

Answer

Chromium (III) Chloride

Work Step by Step

We know that there are 3 Chlorine atoms, which each have a charge of 1- as they are halogens. This means that chromium has a charge of 3+. However, chromium can have multiple different charges, so we indicate its charge in the name for clarification purposes. Thus, we have: Chromium (III) Chloride Note, roman numerals are used for elements that have numerous different possible charges on their ion.
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