krishthakrar
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how is energy actually released when a bond is formed? I understand that when an ionic bond forms, energy is released when the electron(s) enters the shell of the atom forming an ion, but what about covalent bonding? Also, is bond energy affected by electronegativity? How does electronegativity affect the amount of energy released during a reaction? Thanks
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Hi there,

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charco
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(Original post by krishthakrar)
how is energy actually released when a bond is formed? I understand that when an ionic bond forms, energy is released when the electron(s) enters the shell of the atom forming an ion, but what about covalent bonding? Also, is bond energy affected by electronegativity? How does electronegativity affect the amount of energy released during a reaction? Thanks
You can think of it like this:

There is a force of attraction between the bonding atoms which accelerates them together as they are forming the bond. This causes a greater amount of kinetic energy in the particles, which is manifest as the heat of the system.
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