Answer
a. 19 protons, 21 neutrons;
b. 88 protons, 138 neutrons;
c. 43 protons, 56 neutrons;
d. 15 protons, 18 neutrons
Work Step by Step
a. A = 40; Z = 19
b. A = 226; Z = 88
c. A = 99; Z = 43
d. A = 33; Z = 15
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: 54
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