Answer
a. 7 protons, 7 neutrons;
b. 11 protons, 12 neutrons;
c. 86 protons, 136 neutrons;
d. 82 protons, 126 neutrons
Work Step by Step
a. A = 14; Z = 7
b. A = 23; Z = 11
c. A = 222; Z = 86
d. A = 82; Z = 208
Chemistry: Molecular Approach (4th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
0134112830
ISBN 13:
978-0-13411-283-1
Chapter 2 - Exercises - Page 79: 53
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