Consider the following statements : (A) The principal quantum number ' n ' is a positive integer with values of ' n ' = 1 , 2 , 3 , … (B) The azimuthal quantum number ' l ' for a given ' n ' (principal quantum number) can have values as ' l ' = 0 , 1 , 2 , … . n has 2 n + 1 values. (C) Magnetic orbital quantum number ' m ' for a particular ' l ' (azimuthal quantum number) has ( 2 l + 1 ) values. (D) ± 1 2 are the two possible orientations of electron spin. (E) For l = 5 , there will be a total of 9 orbital Which of the above statements are correct?

Question

Consider the following statements : (A) The principal quantum number ' n ' is a positive integer with values of ' n ' = 1 , 2 , 3 , … (B) The azimuthal quantum number ' l ' for a given ' n ' (principal quantum number) can have values as ' l ' = 0 , 1 , 2 , … . n has 2 n + 1 values. (C) Magnetic orbital quantum number ' m ' for a particular ' l ' (azimuthal quantum number) has ( 2 l + 1 ) values. (D) ± 1 2 are the two possible orientations of electron spin. (E) For l = 5 , there will be a total of 9 orbital Which of the above statements are correct?, A , B & C, A , C , D & E, A , C & D, A , B , C & D

MARKS App · Accepted Answer

A) Number of values of -n=1,2,3.... ∞ B) Number of values of l = 0 to ( n - 1 ) C) Number of values of m= - l to + l Total values= 2 l + 1 D)The two possible orientations of electronic spin, which are spin quantum numbers are + 1 2 and - 1 2 E) For l = 5 total number of orbital is 2 l + 1 = 2 x 5 + 1 = 11

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