Question

What are some examples of sigma bonds?

Answer 1

Sigma bonds are formed by head-on overlapping between atomic orbitals. Some examples are : C−C bonds and C−H bonds of propene.

Answer 2

Anything that is bonded by a single covalent bond

Explanation:

Some examples:
`"C"-"H"`
`"O"-"H"`
`"C"-"X"` (`"X"` is a halogen)
`"C"-"O"`
`"H"-"H"`
`"H"-"X"`
`"X"-"X"`
`"O"-"O"`
`"C"-"C"`
`"N"-"H"`
`"C"-"N"`