## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic: 59c

#### Answer

$$3+$$

#### Work Step by Step

Aluminum is located in Group 3A. Therefore it needs to lose three electrons in order to achieve a noble gas electron configuration. Thus it is expected to form a $3+$ charge.

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