Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 5 - Electrons in Atoms - 5 Assessment - Page 156: 102

Answer

PART A: 55 protons, 55 electrons PART B: 47 protons, 47 electrons PART C: 48 protons, 48 electrons PART D: 34 protons, 34 electrons

Work Step by Step

PART A: Cesium has an atomic number of 55, which means that is has 55 protons and 55 electrons. PART B: Silver has an atomic number of 47, which means that is has 47 protons and 47 electrons. PART C: Cadmium has an atomic number of 48, which means that is has 48 protons and 48 electrons. PART D: Selenium has an atomic number of 34, which means that is has 34 protons and 34 electrons.
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