Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 14 - Problems - Page 609: 14.1


Hydrogen has a much greater IE than lithium because, despite lithium's three protons, hydrogen's nucleus has a much stronger hold on its valence electron.

Work Step by Step

This is because lithium has two non-valence electrons or shielding electrons which shield the nucleus from having as strong of a hold on its valence electron as hydrogen. This stronger hold hydrogen's nucleus has on its valence electron accounts for a greater IE than lithium.
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