Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 27 - Early Quantum Theory and Models of the Atom - Questions - Page 797: 27

Answer

On average, the electrons of helium are closer to the nucleus.

Work Step by Step

A helium nucleus contains two positively-charged protons, so the helium nucleus attracts its electrons more strongly than the hydrogen nucleus attracts its electron.
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