Chemistry (12th Edition)

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

Chapter 6 - The Periodic Table - 6.2 Classifying the Elements - 6.2 Lesson Check - Page 173: 15

Answer

a. Krypton (Kr) b. Iron (Fe) c. Silicon (Si)

Work Step by Step

a. If you count the number of electrons it comes to a total of 36 electrons. 36 electrons means that the atomic number is 36 and we can conclude that it is Element #36 Krypton (Kr) b. If you count the number of electrons it comes to a total of 26 electrons. 26 electrons means that the atomic number is 26 and we can conclude that it is Element #26 Iron (Fe) c. If you count the number of electrons it comes to a total of 14 electrons. 14 electrons means that the atomic number is 14 and we can conclude that it is Element #14 Silicon (Si)
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