Chemistry (12th Edition)

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

Chapter 5 - Electrons in Atoms - 5 Assessment: 77

Answer

a) Electrons in 2p boxes should not be paired. Rather, there should be one electron in each. b) Magnesium has 12 electrons. Therefore, two more electrons need to be added to 3s.

Work Step by Step

a) Electrons in 2p boxes should not be paired. Rather, there should be one electron in each. b) Magnesium has 12 electrons. Therefore, two more electrons need to be added to 3s.
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