Forces between subatomic particles in a molecule

In summary, while watching a video about molecular orbital theory, the speaker at t=3:56 counted the forces and did not consider repulsions between electrons. The reason for this is because he was looking at the forces on the H nuclei, or protons, which are being pulled together by the electrons moving between them. Although it may seem like repulsions between electrons should be considered, this only applies to the electron orbitals, not the proton positions.
  • #1
Frigus
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I was seeing a video about molecular orbital theory..at t=3:56 he counted the forces but I don't why he didn't considered repulsions between electrons.
Please can you tell me why he didn't considered repulsions?
 
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  • #2
He looks at the forces on the H nuclei, the protons. It's those that are being pulled together by the electrons 'preferably moving about' in the area between them.

Your gut feeling is right, but it applies to the electron orbitals, not to the proton 'positions'.
 
  • #3
BvU said:
He looks at the forces on the H nuclei, the protons. It's those that are being pulled together by the electrons 'preferably moving about' in the area between them.

Your gut feeling is right, but it applies to the electron orbitals, not to the proton 'positions'.
Got it!
 

1. What are the types of forces between subatomic particles in a molecule?

The types of forces between subatomic particles in a molecule include electromagnetic forces, strong nuclear forces, and weak nuclear forces.

2. How do these forces contribute to the stability of a molecule?

Electromagnetic forces between positively and negatively charged particles hold the molecule together, while strong nuclear forces between protons and neutrons contribute to the stability of the nucleus. Weak nuclear forces play a role in radioactive decay.

3. Can these forces be broken or disrupted?

Yes, these forces can be broken or disrupted through various processes such as chemical reactions, radioactive decay, or high energy collisions.

4. How do these forces affect the properties of a molecule?

The strength and type of forces between subatomic particles in a molecule can affect its physical and chemical properties, such as melting point, boiling point, and reactivity.

5. Are these forces the same in all molecules?

No, the type and strength of forces between subatomic particles can vary depending on the types of atoms and their arrangement in a molecule. This can result in differences in properties between different molecules.

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