General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 2 - Atoms, Molecules, and Ions - Questions and Problems - Page 79: 2.7

Answer

Please see the work below.

Work Step by Step

Protons were discovered in the experiments where alpha particles were made collide with nitrogen atoms and as a result protons were knocked out from nitrogen nucleus. Neutrons were discovered when alpha particles were forced to collide with beryllium atoms.
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