Nitrogen atoms can form three covalent bonds, so a triple bond forms between them. The structure of nitrogen is N≡N, showing that it has three shared pairs of electrons.

Working with colleagues from the USA and Australia, researchers from the University of Münster (Germany) have now reconstructed how evolution forms the structure and function of a newly emerged ...

Deborah K. Meinke, A Review of Cosmine: Its Structure, Development, and Relationship to Other Forms of the Dermal Skeleton in Osteichthyans, Journal of Vertebrate Paleontology, Vol. 4, No. 3, Essays ...