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Grade: 7

                        

Which of the following sets of quantum numbers is correct for an electron in 3 d orbital? A N = 3 , L = 2 , M = − 3 , S = + 2 1 ​ B N = 3 , L = 3 , M = + 3 , S = − 2 1 ​ C N = 3 , L = 2 , M = − 2 , S = + 2 1 ​ D N = 3 , L = 2 , M = − 3 , S = − 2 1 ​

3 months ago

Answers : (2)

Geetha Reddy
37 Points
							
Option c is correct. Set an electron in 3d orbital has quantum numbers N=3, l=2 , M=-2 ,S=+1/2. If n =3 then l=n-1=2 , if l=2 then m=-l to+l =-2to +2 , and s =+1/2 or -1/2
3 months ago
ankit singh
askIITians Faculty
596 Points
							

The following set of quantum numbers is correct for an electron in 3d orbital.
n=3,l=2,m=2,s=+21

For s,p,d and f orbitals, l=0,1,2,3 respectively.


When l=2, m can have values 2,1,0,+1,+2

The spin quantum number s can have value +21 or  21.
3 months ago
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