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: 99
Atomic Weight: 252
Melting Point: 1133 K (860°C or 1580°F)
Boiling Point: Unknown
Density: Unknown
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 7 oup Number: none Group Name: Actinide