General Chemistry 10th Edition

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

Chapter 8 - Electron Configurations and Periodicity - Questions and Problems - Page 330: 8.40

Answer

Please see the work below.

Work Step by Step

We know that a. The elements will form $+2$ ions and have oxides having the formula AO. b. The chemical reaction is given as $2A+O_2\rightarrow 2AO$ c. The oxides having a formula $AO$ are basic $AO+H_2O\rightarrow A(OH)_2$
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