Two sets of lonizations are shown in the tables below. Complete the tables by ordering each set of ionizations by increasing amount of energy required.
Two sets of lonizations are shown in the tables below. Complete the tables by ordering each set of ionizations by increasing amount of energy required.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter5: Quantum Mechanics And Atomic Structure
Section: Chapter Questions
Problem 39P: Without consulting any tables, arrange the following substances in order and explain your choice of...
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Transcribed Image Text:Two sets of lonizations are shown in the tables below. Complete the tables by ordering each set of ionizations by increasing amount of energy
required.
In other words, for each set choose "1" next to the ionization that would require the least energy, "2" next to the ionization that would require
the next least energy, and so on.
energy
required
ionization
energy
required
ionization
Fr - Fr + e
He - He +e
Br - Br + e
Ca - Ca
+ e
Pb - Pb + e
Fr - Fr + e
1?
1 (least)
2
3 (most)
Explanation
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Expert Solution
Step 1
Ionisation energy is the amount of energy required to take out an electron from the outermost shell of an element in gaseous state.
In the first set Bromine has the most value as it will rather accept one electron to gain fulfilled electronic configuration than remove one electron. Electronic configuration: [Ar]4s23d104p5
And Francium has the least value as it will easily remove one electron to acquire noble gas configuration which is very stable. Electronic configuration: [Rn]7s1
So in the first set,
For Fr : 1(least)
For Br: 3(most)
For Pb: 2
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