Question

determime the value of all the four quantum number of the 7th electron in N atom 15th electron in cl atom and last electron in Sn atom
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Answer 1

Answer:

Understanding :

1) We will electronic configuration to find the arrangement of respective electron.

A) Principal Quantum Number(n)

=> It is denoted by 'n'

=> Each value of 'n' denotes one Shell.

Like :

n= 1. :K - shell

n= 2 : L - shell

B) Azimuthal Quantum Number (l)

=> This quantum Number denotes sub -shells denotes by "l'.

=> Each value of l denotes subshell.

C) Magnetic Quantum Number:(m)

=> I+ describes the orientations of orbitals with respect to set of co-ordinate axes

=> It has values from -l to +l.

D) Spin Quantum Nunber :

=> Denotes Spin of the electron.

=> It has values +1/2 or -1/2 which denotes clockwise or anti - clockwise spin.

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Explanation: