Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 2 - Chemical Compounds - Problem Solving Practice 2.3 - Page 51: a


A = 31

Work Step by Step

Atomic number (Z) of Phosphorus (P) = 15 (Refer Periodic Table) Number of neutrons = 16 (Given) Mass number (A) = Number of protons (Atomic number) + Number of neutrons = 15+16 = 31
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