Answer
4 amu
Work Step by Step
Electrons weigh essentially nothing, so they can be approximated as 0 amu.
Protons and neutrons each weigh 1 amu, so:
2 amu+ 2 amu = 4 amu
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 2 - Chemical Compounds - Questions for Review and Thought - General Questions - Page 90e: 110b
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