Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 8 - Bonding: General Concepts - Exercises: 34

Answer

a. $^{\delta+}C-O^{\delta-}$ b. $P-H$ c. $^{\delta+}H-Cl^{\delta-}$ d. $^{\delta-}Br-Te^{\delta+}$ e. $Se-S$

Work Step by Step

a. The electronegativity of oxygen (3.44) is greater than that of carbon (2.55), therefore, the oxygen atom attracts the electrons stronger, giving it a partially negative charge. b. The electronegativity of phosphorous (2.19) is so similar that of hydrogen (2.20) that both atoms practically attract the electrons with equal force and share the electrons equally in a nonpolar bond. c. The electronegativity of hydrogen (2.20) is less than that of chlorine (3.16), therefore, the chlorine atom attracts the electrons stronger, giving it a partially negative charge. d. The electronegativity of bromine (2.96) is greater than that of tellurium (2.1), therefore, the bromine atom attracts the electrons stronger, giving it a partially negative charge. e. The electronegativity of sulfur (2.58) is so similar that of selenium (2.55) that both atoms practically attract the electrons with equal force and share the electrons equally in a nonpolar bond.
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