Timeline of chemical element discoveries

The discovery of the elements known to exist today is presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately defined.

Given is each element's name, atomic number, year of first report, name of the discoverer, and some notes related to the discovery.

Table

Unrecorded discoveries

Recorded discoveries

Unconfirmed discoveries

Graphics

See also

• History of the periodic table
• Periodic table

References

External links

• History of the Origin of the Chemical Elements and Their Discoverers Last updated by Boris Pritychenko on March 30, 2004
• History of Elements of the Periodic Table
• Timeline of Element Discoveries
• Discovery of the Elements - The Movie - YouTube (1:18)
• The History Of Metals Timeline. A timeline showing the discovery of metals and the development of metallurgy.

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