Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 3 - Section 3.5 - Ionic Compounds: Formulas and Names - For More Practice - Page 100: 3.6

Answer

The formula of the compound is $RuO_2$.

Work Step by Step

Oxide ion has a -2 charge. The ruthenium ion has a +4 charge. So, to neutralize the charges, two oxide ions react with one ruthenium ion. So, the formula of the compound is $RuO_2$.
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