University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 41 - Quantum Mechanics II: Atomic Structure - Problems - Exercises - Page 1403: 41.30


C and Si have similar chemical properties.

Work Step by Step

a. Carbon has 6 electrons. Consider the subshells in the order of increasing energy. An s subshell holds 2 electrons, p subshells hold 6 electrons, and d subshells hold 10 electrons. This is the ground-state electron configuration for carbon. $$1s^2 2s^2 2p^2$$ b. Si is below C in the periodic table, with Z=14. $$1s^2 2s^2 2p^6 3s^2 3p^2$$
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