The element X ends its electronic configuration in 6s2, 4f14, 5d6. It is valid to say: Select one: a. It has a greater atomic radius than Ba, because there are less valence electrons in Cs than X, therefore, X will have more size. b. X has a higher
The element X ends its electronic configuration in 6s2, 4f14, 5d6. It is valid to say: Select one: a. It has a greater atomic radius than Ba, because there are less valence electrons in Cs than X, therefore, X will have more size. b. X has a higher
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter2: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 146AE: An unknown element is a nonmetal and has a valence electron configuration of ns2np4 a. How many...
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The element X ends its electronic configuration in 6s2, 4f14, 5d6. It is valid to say:
Select one:
a. It has a greater atomic radius than Ba, because there are less valence electrons in Cs than X, therefore, X will have more size.
b. X has a higher ionisation energy than F, because F has less levels and more valence electrons, therefore, X will attract electrons easier than F.
c. X is smaller than Cs because Cs has less valence electrons, therefore, its size is greater than X due to repulsion between electrons.
d. X is more electronegative than Br, because Br has more levels, while X has more valence electrons, therefore, X will attract electrons easier than Br.
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