Chemistry: A Molecular Approach (3rd Edition)

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: 57d

Answer

24 Protons and 21 Electrons

Work Step by Step

The number of protons and electrons in a neutral atom can be found by looking up the atomic number from a periodic table. If ions have a positive charge, then electrons are lost by that magnitude. If ions have a negative charge, then electrons are gained by that magnitude. $Z=24$ Protons $E=24-3=21$ Electrons
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