Polonium
Discovered : by Marie Curie in 1898

Isolated in Paris, France

Origin : Marie Curie named the element after her homeland Poland.

Description :

Marie Curie isolated polonium from the uranium ore, pitchblende, in which it exists in tiny amounts. It is a radioactive metal produced today in gram quantities from bismuth in nuclear reactors, and used as a source of alpha radiation or as a heat source in space vehicles.

Image :

Based on Luna E-1, the first spacecraft to reach escape velocity and the first to reach the moon. Click here to see larger version of this image.

See also chemsoc timeline