From Wikipedia, the free encyclopedia
Odd molecules are 'radicals.'
When including d-shell elements, i.e., the transition metals, the concept mostly doesn't apply, and this 'odd' state is not so unusual.
- "The Atom and the Molecule", Gilbert N. Lewis, Journal of the American Chemical Society, volume 38 (1916), pages 762–786; received January 26, 1916.
- "Classic Papers" - online copy of 1916 paper - 2005-V-17