Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 77: 2.80d


$Mg (OH)_{2}$

Work Step by Step

Magnesium belongs to group 2, magnesium ion has a +2 charge ($Mg^{2+}$), Hydroxide ion has a -1 charge ($OH^{-}$). In order to balance, two hydroxide ions should be present. Thus, the formula will be $Mg (OH)_{2}$
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