98

Cf

Californium
[ 251 ]
 Historical Information

Californium was produced by Ghiorso and others at the University of California, Berkeley, USA in 1950 who bombarded 242Cm with helium ions.
Basic Information Shells
  • Name:Californium
  • Symbol: Cf
  • Atomic number: 98
  • Atomic weight: [ 251 ]
  • Standard state: solid at 298 K
  • Group in periodic table:
  • Group name:Actinoid
  • Period in periodic table: 7
  • Block in periodic table: f-block
  • Classification: Metallic
 Californium
Uses Trivia
  • used as a source of fission fragments
  • good source of neutrons

Californium-252 is a strong neutron emitter and one microgram emits 170 million neutrons per minute, making it a biological hazard.