Answer
H-2
Work Step by Step
Atomic number of hydrogen= 1
Number of neutrons = 1
Hence, mass number = 1+1 = 2
So, isotope is denoted by H-2.
Chemistry: A Molecular Approach (3rd Edition)
by Tro, Nivaldo J.
Published by
Prentice Hall
ISBN 10:
0321809246
ISBN 13:
978-0-32180-924-7
Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic - Page 80: 51d
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