HF MO: Why F Uses 2P for Bonding in HF Molecular Orbital Model

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SUMMARY

The discussion centers on the bonding characteristics of fluorine (F) in the context of the HF molecular orbital (MO) model. Fluorine has an electron configuration of 1s2 2s2 2p5, indicating that it utilizes its 2p orbitals for bonding rather than the filled 2s orbital. Participants clarify that hybridization should not be used to explain MO theory, yet acknowledge that fluorine can exhibit sp3 hybridization when forming bonds. The bonding electrons in fluorine primarily reside in the 2p orbital.

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Homework Statement
HF molecular orbital
Relevant Equations
HF molecular orbital
In figure. Why F use 2P rather than 2S to bonding in HF MO model.
圖片2.png
 
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What is the electron configuration of a free F atom?
 
Borek said:
What is the electron configuration of a free F atom?
1S2 2S2 2P5
 
Can you bond using suborbitals that are already filled?
 
chemisttree said:
Can you bond using suborbitals that are already filled?
OK i get it. I should never use hybridization to account for MO theory.
But wait . F become SP3 hybridization when bonding. Please tell me!
Which orbital does the bonding electron lie in F atom, SP3 or P orbital?
 

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