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Forum: Chemistry :: Chemical Principles :: Electron Configuration  New Topic
problem 6 Reply
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mia25 problem 6 Fri 9 Oct 2009 11:43:00 AM
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Joined Mon 6 Jul 2009
Posts 299

1-      Which of the following closed shell electronic configurations does not correspond to the accompanying element in the ground state?

a.       Ag47:[Kr]5s1 4d10

b.      Pb82:[Xe] 6s2 4f14 5d10 6p2

c.       Tb65:[Xe] 6s2 4f9

d.      75Re: [Xe] 6s1  4f14 5d5

e.       71Lu: [Xe] 6s2 4f14 5d1


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mia25 Fri 9 Oct 2009 11:43:00 AM
Student
Joined Mon 6 Jul 2009
Posts 299

Answer:

D  is the correct answer since we must replace 6s1 by 6s2


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khouzamya Thur 21 Jun 2012 12:35:00 PM
Student
Joined Thur 21 Jun 2012
Posts 1
dear mia please can you update me with the source of this question..thnx in advance
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