Californium

Californium
Symbol	Cf
Atomic number	98
Atomic mass	(251) amu

Californium is named after the state and the University of California. It was discovered in 1950, and was not until 1960 did californium exist in macro amounts. Shown in the image is 0.3 micrograms (3 x 10^-5 gram) of californium oxychloride.

See also

Periodic table of the elements