Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 7 The Structure of Atoms and Periodic Trends - Study Questions - Page 281b: 41

Answer

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Work Step by Step

From the given information, the electronic configuration is: $1s^2\ 2s^2\ 2p^6\ 3s^2\ 3p^6\ 4s^2$ a) 20, same as the number of electrons b) 8 c) 12 d) 0 e) Metal, it's in group 2.
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