Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 2 - Module 4 - Systems and Matter - AP Review Questions - Page 43: 2

Answer

(d) ionic bond

Work Step by Step

Ionic compounds are composed of ions that gain or lose electrons. Sodium (Na) has an available electron (+1 cation) to give away from its 3p orbital and Chlorine (Cl) is ready to accept an electron (-1 anion) into its 3p orbital. When charges are equal and opposite, ionic bonds form.
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