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(a) write the values of azimuthal and m...

(a) write the values of azimuthal and magnetic quantum nos. for `n=2`.
(b) Write the four quantum numbers for 21st. Electron of `._(21)Sc`.

Text Solution

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(a) For `n=2 , l=0 , 1,m_(l)=0` (for `l=0`), `m_(l)=-1, 0, +1 ` (for `l=1`)
(b) Configuration of Se `(z=21), 1s^(2) 2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3^(1)`.
For 21 st electron `(3d^(1)),n=3, l=2 , m_(l)=-2, -1, 0, +1, 2 , s=+1//2 or -1//2`
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