Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 31 - Atomic Physics - Conceptual Questions - Page 1111: 4

Answer

Please see the work below.

Work Step by Step

Rutherford carried out experiments with a beam of alpha particles. Most of the alpha particles went through the atom as expected, but some alpha particles were unexpectedly deflected and even bounced back. This showed that the atom must have a great positive charge concentration and mass in a small volume that is the nucleus.
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