Respuesta :
Both bonds are formed from the overlap of two orbitals, one on each atom. σ bonds occur when orbitals overlap between the nuclei of two atoms, also known as the internuclear axis.
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Answer:
Sigma bonds are formed as a result of the overlapping of atomic orbitals that overlap end-to-end.
Explanation:
Sigma bonds are formed by the end-to-end overlap of hybrid orbitals with hybrid orbitals, hybrid orbitals with non-hybrid orbitals and non-hybrid orbitals with non-hybrid orbitals. The most common combinations that produce sigma bonds are:
Hybrid orbitals - Hybrid orbitals
- sp -sp
- sp² - sp²
- sp³ - sp³
Hybrid orbitals - Non-Hybrid orbitals
- sp³ - s
- sp³ - p
Non-Hybrid orbitals - Non-Hybrid orbitals
- s - s
- p - p
- d - d