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: 2.58a

Answer

Charge: +3

Work Step by Step

Atoms of elements want to have the electron configuration of the nearest noble gas (in terms of number of electrons) on the periodic table. Gallium (Ga) is in group 3A, so in order to gain the electron configuration of its nearest noble gas, Argon, a Gallium atom must lose three electrons, making the charge +3.
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