Answer
$^{53}_{25}Mn$
Work Step by Step
To be in neutral state, number of electrons must be equal to number of Protons, hence protons = 25. Mn has atomic number of 25. Atomic mass = protons + neutrons = 25 + 28 = 53
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 4 - Section 4.5 - Isotopes and Atomic Mass - Questions and Problems - Page 115: 4.34c
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