Californium was discovered by Glenn T. Seaborg, Stanley G. Thompson, Albert Ghiorso, Kenneth Street at 1950 in USA.
Origin of name: named after the State and University of "California", USA.
Atomic Number: 98
Atomic Weight: 251
Melting Point: 1173 K (900°C or 1652°F)
Boiling Point: Unknown
Density: Unknown
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 7 Group Number: none Group Name: Actinide