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4a. Going across rows in the periodic table, do you expect atomic radius to increase or decrease? b. Going down columns in the periodic table, do you expect atomic radius to increase or decrease? c. Put the following atoms in order from smallest to largest: Be, F, C, O d. Put the following atoms in order from smallest to largest: Mg, Ba, Ca, B

4a. Going across rows in the periodic table, do you expect atomic radius to increase or decrease? b. Going down columns in the periodic table, do you expect atomic radius to increase or decrease? c. Put the following atoms in order from smallest to largest: Be, F, C, O d. Put the following atoms in order from smallest to largest: Mg, Ba, Ca, B

Chemistry: An Atoms First Approach
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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Atomic radius – average distance between the nucleus and the outermost (valence) electrons. 4a. Going across rows in the periodic table, do you expect atomic radius to increase or decrease? b. Going down columns in the periodic table, do you expect atomic radius to increase or decrease? c. Put the following atoms in order from smallest to largest: Be, F, C, O d. Put the following atoms in order from smallest to largest: Mg, Ba, Ca, B lonic radius – To understand ionic radii we must also consider the effect of electron-electron repulsion. а. Cations have less electron-electron repulsion and are smaller than the corresponding neutral atom. b. Anions have more electron-electron repulsion and are larger than the corresponding neutral atom.
Transcribed Image Text:Atomic radius – average distance between the nucleus and the outermost (valence) electrons. 4a. Going across rows in the periodic table, do you expect atomic radius to increase or decrease? b. Going down columns in the periodic table, do you expect atomic radius to increase or decrease? c. Put the following atoms in order from smallest to largest: Be, F, C, O d. Put the following atoms in order from smallest to largest: Mg, Ba, Ca, B lonic radius – To understand ionic radii we must also consider the effect of electron-electron repulsion. а. Cations have less electron-electron repulsion and are smaller than the corresponding neutral atom. b. Anions have more electron-electron repulsion and are larger than the corresponding neutral atom.
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