Give the ground state electron configurations of(a) Li2 (b) Be2 (c) C2  .Use the symmetry-specific nomenclature appropriate for homonuclear diatomics. Example, Sg would stand for σg. Enclose each MO in parenthesis followed by the number of electrons in that MO, e.g., the entry (1Sg)2 would represent 1σg2. Letter P then is used to represent a pair of π MO's.

Question
Asked Oct 24, 2019
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Give the ground state electron configurations of
(a) Li2 
(b) Be2 
(c) C2  .
Use the symmetry-specific nomenclature appropriate for homonuclear diatomics. Example, Sg would stand for σg. Enclose each MO in parenthesis followed by the number of electrons in that MO, e.g., the entry (1Sg)2 would represent 1σg2. Letter P then is used to represent a pair of π MO's.

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Expert Answer

Step 1

To write the ground state electron configurations of the given molecules, first we need to draw the molecular orbital diagram.

The MO daigram and the electronic configuration are given below:

(a) Li2 

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Step 2
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Eleuhenie Configurat Li 25 er (15, (1s (25)e)

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Step 3

(b) Be2 

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Meleutar Onbital Diagam : Be (4): 1s 2s Be C4): 1s 2s 1V V 25 AV 25 IS AV 1V1S 1s 1v Be Be

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