# What kind of bond is there between carbons in H_2C_2?

The bond between the carbon atoms in the compound $\text{H"_2"C"_2}$, or $\text{C"_2"H"_2}$, is a triple covalent bond.
$\text{C"_2"H"_2}$ is called ethyne (systematic name) or acetylene (common name). Ethyne contains two triple bonded carbon atoms, as indicated by the suffix (-yne).
The diagram below represents the structural formula for $\text{C"_2"H"_2}$. Each line represents a covalent bond.