Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 2 - Key Skills Problems - Page 74: 2.4


$A)$ $PCl_{5}$

Work Step by Step

The correct name for Phosphorous Pentachloride is $PCl_{5}$ because the first atom in the molecular formula is Phosphorous (P), and since the prefix is "Penta", we know there are 5 chlorine atoms.
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