Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 77: 2.74c

Answer

$Ba(BrO_3)_2$

Work Step by Step

This is an ionic compound, so there will be one cation (barium) and one anion (bromate). The barium ion has a charge of +2, since it has 2 valence electrons. The charge on bromate is -1. To have a neutrally charged compound, there would need to be two bromate ions for each barium ion. Hence, $Ba(BrO_3)_2$.

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