Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 2 - Atoms, Molecules, and Ions - Questions & Problems - Page 68: 2.5

Answer

Please see the work below.

Work Step by Step

We know that J.J Thomson discovered electrons. R.A Milikan determined the charge of an electron. Ernest Rutherford investigated the structure of the atomic nucleus and James Chadwick proved the existence of neutrons.
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