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marknycstudent marknycstudent
  • 30-12-2015
  • Chemistry
Answered

Which is the electron configuration of an atom in the ground state?



A1s22s12p2
B1s22s22p53s2
C1s22s23s1
Dls22s22p63s1

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 30-12-2015

D) 1s22s22p63s1 is the correct answer. 

As we all know, there are no more than 2 electrons in the s-orbital, no more than 6 electrons in the p-orbital. In order to move to another orbital, you have to fully fill electrons in one orbital, then move to the next one.

Hope this helps~


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kimbo23 kimbo23
  • 30-12-2015

that answer is D..............

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