Answer
A. proton
B. alpha particle
C. positron
Work Step by Step
A. Protons have a mass and charge of 1.
B. Alpha particles are Helium atoms with a mass of 4 and 2 protons.
C. Positrons are essentially massless but have a charge of 1.
Introductory Chemistry (5th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
032191029X
ISBN 13:
978-0-32191-029-5
Chapter 17 - Radioactivity and Nuclear Chemistry - Exercises - Problems - Page 637: 56
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