Editing Chemical symbol (section)

==References==
{{Reflist}}
*[https://elements.vanderkrogt.net/ Elementymology & Elements Multidict], element name etymologies. Retrieved July 15, 2005.
*Atomic Weights of the Elements 2001, [http://www.iupac.org/publications/pac/2003/7508/7508x1107.html Pure Appl. Chem. 75(8), 1107–1122, 2003]. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers from 1–109 taken from this source.
*[http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html IUPAC Standard Atomic Weights Revised] {{Webarchive|url=https://web.archive.org/web/20080305062433/http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html |date=2008-03-05 }} (2005).
*[https://www.webelements.com/ WebElements Periodic Table]. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers 110–116 taken from this source.
*Leighton, Robert B. ''Principles of Modern Physics''. New York: McGraw-Hill. 1959.
*Scerri, E.R. "The Periodic Table, Its Story and Its Significance". New York, Oxford University Press. 2007.