Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 5 - Chemical Periodicity - Exercises - Hydrogen and the Hydrides - Page 204: 56

Answer

Since the difference between electronegativity of $Na$ and $H$ is greater than difference between $S$ and $H$, $NaH$ has a greater degree of ionic character than $H_2S$.

Work Step by Step

Since the difference between electronegativity of $Na$ and $H$ is greater than difference between $S$ and $H$, $NaH$ has a greater degree of ionic character than $H_2S$.
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