Asked Oct 22, 2019

Sc has the following electronic configuration:


Using the elctronic configuration, write down all possible term symbols describing this configuration. Which one is lowest in energy according to Hund's rules?


Expert Answer

Step 1

The general representation of term symbol is given below.


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5-1L where 2S+1 multiplicity J total angularmomentum

Step 2

Electronic configuration of Sc is 1s2 2s2 2p6 3s2 3p6 4s2 3d1

S =1/2

2S+1 = [2 x (1/2)] + 1 = 2

The possible l vales for d subshell is +2,+1,0,-1 and -2.

Here only one electron, so l = 2, therefore symbol is D.


J value varies from L+S to L-S,

2 + (1/2)  to  2 + (-1/2)

So all possible J values a...


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and L32


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