General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 65: 2.5

Answer

Please see the work below.

Work Step by Step

a. As we know that Ca is a member of group IIA which means that it has a +2 charge and as oxygen is located in group VIA so it has a -2 charge to from an anion. Thus the name of the compound is Calcium oxide with formula CaO. b. As $CrO_4$ has a negative charge -2 and lead Pb has a positive charge +2 . Thus the name of the compound is Lead(II) chromate with formula $PbCrO_4$
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