Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 77: 2.79d

Answer

Phosphine: $PH_{3}$

Work Step by Step

They say the phosphine is also known as phosphorus. The absence of a prefix on phosphorus indicates that there is only one phosphorus atom in this molecular compound. The prefix tri- on hydride indicates that there are three hydrogens. Therefore the chemical formula of phosphine is$PH_{3}$

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