Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 4 - Atomic Structure - 4.2 Structure of the Nuclear Atom - 4.2 Lesson Check: 11

Answer

The charge of a proton is +1 and its mass is 1 amu. The charge of a neutron is 0 and its mass is 1 amu. The charge of a proton is -1 and its mass is $\frac{1}{1840}$ amu.

Work Step by Step

The proton is positively charged so its charge is +1. The electron is negatively charged so its charge is -1. The neutron has no charge so the charge is 0. The mass of the proton and neutron is equal which is 1 amu each, whereas electron has a very low mass of only $\frac{1}{1840}$ amu
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