Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 5 - Molecules and Compounds - Exercises - Problems - Page 158: 47

Answer

A. helium -> single atoms B. $CCl_4$ -> molecules C. $K_2SO_4$ -> formula units D. bromine -> diatomic molecules

Work Step by Step

Bromide is diatomic, meaning its atoms naturally bond with itself to form molecules. $CCl_4$ is a molecule, where different types of atoms bond together covalently. $K_2SO_4$ represents a formula unit, the lowest whole number ratio of ions in a compound.
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