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If n and l are respectively the principal and azimuthal quantum number then the expression for the calculation of the total no. of electrons in any energy level is:

Option: 1

\sum_{l=0}^{l=n} 2(2l+1)


Option: 2

\sum_{l=n+1}^{l=n-1} 2(2l+1)


Option: 3

\sum_{l=0}^{l=n+1} 2(2l+1)


Option: 4

\sum_{l=0}^{l=n-1} 2(2l+1)


Answers (1)

best_answer

Azimuthal Quantum Number(l): -

It defines the three-dimensional shape of the orbital.

-

Number of subshells in the nth shell = 0 to n-1

Number of orbital in a subshell = 2l+1

Number of electrons in each orbital = 2

Number of e- in the nth shell

             = \sum_{l=0}^{n-1}2(2l+1)

 

Posted by

Rishabh

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