Single bond

A Single bond is a type of chemical bond that involves two atoms sharing one pair of electrons. It is the simplest type of bond and is often represented in chemical structures by a single line connecting two atoms. Single bonds are also known as sigma (σ) bonds.

Characteristics

Single bonds are characterized by the head-on overlapping of atomic orbitals, resulting in the formation of a sigma bond. This type of bond is typically found in diatomic molecules, such as hydrogen, nitrogen, and oxygen, as well as in organic compounds.

The length and strength of a single bond can vary, depending on the atoms involved. For example, a carbon-carbon single bond is shorter and stronger than a carbon-hydrogen single bond.

Formation

Single bonds are formed when two atoms share one pair of electrons. This sharing allows each atom to achieve a full outer shell of electrons, which is a stable configuration. The shared electrons are counted as part of the electron configuration of both atoms.

Examples

Examples of single bonds include the bonds in methane, water, and ammonia. In each of these molecules, the central atom forms single bonds with each of the surrounding atoms.

See also

• Double bond
• Triple bond
• Covalent bond
• Ionic bond

References

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