How to write electronic configuration in k,l,m,n

1.	How to write electronic configuration in k,l,m,n
Answer» By using formula 2n square where n belongs to number of shell K=2 ,L=8,M=16,N=32 now electronic configuration = 2,8,16 ,32 It depends on the atomic no. Of the element....u have to just see the atomic no.,calculate the no. Of electrons by 2nsquare rule....and just arrange the electrons in duplet and octact in all shells until the no. Of electrons is equal to atomic no. It is write by the formula 2n² given by bohr and bury . they are K shell = 2, l

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