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The maximum no. or electrons in phosphorous atom for which n + I + m = 3 will be :

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a
6
b
5
c
4
d
3

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detailed solution

Correct option is B

The electronic configuration is,

P1s1s22s22p63s23p3

Here, the total number of electron with n+m+l=3 can be given as

2 (for p with ±12 spin), +2 (for 39 with ±12spin)
+1 (for 3p as it has only single electron)
5 electrons.

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