Which atom is more likely to lose an electron (has a lower ionization energy): Mg or S? Ca or F? Li or Be? Na or Cl?

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter6: Electronic Structure And Periodic Properties Of Elements
Section: Chapter Questions
Problem 70E: Based on their positions in the periodic table, predict which has the smallest first ionization...
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Which atom is more likely to lose an electron (has a lower ionization energy):

Mg or S? Ca or F?

Li or Be? Na or Cl?

Expert Solution
Step 1

(1) among Mg and S

S will release the electron because the configuration is 1s2s2p3s3p4

to attain the Stabler configuration i.e. 3p3

whereas Mg 1s2s2p3shas stable doublet in valance 3s.

 

2) among Ca and F

Though F is Electronegative but it'll release the electron easily as compared to Ca

 

 

 

 

 

 

 

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