Mendelevium
Discovered : by A. Ghiorso and co-workers in 1955

Isolated in Berkeley, California, USA

Origin : The element is named after Dimitri Mendeleev who devised the Periodic Table of the elements.

Description :

A man-made radioactive metal of which only a few atoms have ever been created by bombarding einsteinium with helium.

Image :

Mendeleev and early version of the Periodic Table. Click here to see larger version of this image.

See also chemsoc timeline