Diatomic molecules

molecule composed of only two atoms of the same or different chemical elements
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Diatomic molecules are molecules made only of two atoms, of either the same or different chemical elements. Two atoms are bonded together to form a unit known as a diatomic molecule.

Examples are hydrogen (H2), nitrogen (N2) and oxygen (O2), and carbon monoxide (CO). [1]


  1. Chemistry (9th ed.). Brooks/Cole, Cengage Learning. 2010. pp. 337–338. ISBN 9780495391630. {{cite book}}: Cite uses deprecated parameter |authors= (help)