The number of electrons present in all the completely filled subshells having n = 4 and s = + 1 2 is ____ (Where n = principal quantum number and s = spin quantum number)

Question

The number of electrons present in all the completely filled subshells having n = 4 and s = + 1 2 is ____ (Where n = principal quantum number and s = spin quantum number),

MARKS App · Accepted Answer

(a) Number of sub-shells associated with n = 4 : A given value of n , l can have values from zero to ( n – 1 ) . i . e . , 0 , 1 , 2 , 3 The four sub-shells are associated with n= 4 , are s, p, d, and f. Where, The number of electrons in the sub-shells having an m s value of + 1 / 2 for n = 4 : can have, = 1 + 3 + 5 + 7 = 16

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