Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises: 4.49e

Answer

+3

Work Step by Step

$PF_3$ From the periodic table, $F$ is -1. Since the overall charge must be 0 then we have: $P+3(F)=0$ $P+3(-1)+0$ $P-3=0$ $P=3$
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