General Chemistry 10th Edition

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

Chapter 9 - Ionic and Covalent Bonding - Questions and Problems - Page 373: 9.1

Answer

As an Na atom approaches a Cl atom, the outer electron of the Na atom is transferred to the Cl atom. The result is an Na+ and a Cl- ion. Positively charged ions attract negatively charged ions, so, finally, the NaCl crystal consists of Na+ ions surrounded by six Cl- ions surrounded by six Na+ ions.

Work Step by Step

As an Na atom approaches a Cl atom, the outer electron of the Na atom is transferred to the Cl atom. The result is an Na+ and a Cl- ion. Positively charged ions attract negatively charged ions, so, finally, the NaCl crystal consists of Na+ ions surrounded by six Cl- ions surrounded by six Na+ ions.
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