The ground state of a particular atom has S =1/2, and L =5. For a state which ha
ID: 1470462 • Letter: T
Question
The ground state of a particular atom has S =1/2, and L =5. For a state which has these values of S and L , select each of the following which is a posible value of J (J= L plus or minus S), and which is the correct spectroscopic notation for the state having this value of J;
a) J=5, 2H5
b) J= 11/2, 2H12
c) J=11/2, 2H11/2
d) J=9/2, 2H9/2
How many different permissible values of J exist for these values of S and L?
What is the spectroscopic term symbol (2S+1LJ) for this atom in its ground state?
a) 2S+1=
b) L=
c) J=
Show work if possible.
Explanation / Answer
for L = 5 the state is H
spectro scopic symbol 2s+1 = 2*1/2+1 = 2
L = 5
j = l+s or l-s
j = 5+1/2 or 5-1/2 = 11/2 or 9/2
2H9/2
possibl epermissible values 2j+1 = 2*9/2+1 = 10
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