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CBSE Class 9 Answered

If all the KLMN shells of an atom are filled then the total number of electrons present in the atrom is?
Asked by nathdarshana | 20 Nov, 2020, 07:03: PM
Expert Answer
Number of electrons in a shell=2(n2)
Value of n in K,L,M,N is 1,2,3,4
T o t a l space n u m b e r space o f space e l e c t r o n s space i n space a t o m equals 2 left parenthesis 1 squared right parenthesis plus 2 left parenthesis 2 squared right parenthesis plus 2 left parenthesis 3 squared right parenthesis plus 2 left parenthesis 4 squared right parenthesis
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 2 plus 8 plus 18 plus 32
space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 60
Answered by Ravi | 21 Nov, 2020, 01:18: PM
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