Synthesized, radioactive, metallic element of the actinide series, symbol Cf, atomic number 98, atomic weight 251. It is produced in very small quantities and used in nuclear reactors as a neutron source. The longest-lived isotope, Cf-251, has a half-life of 800 years.
It is named for the state of California, where it was first synthesized in 1950 by Glenn Seaborg and his team at the University of California at Berkeley.
A radioactive transuranic element; discovered by bombarding curium with alpha particles; SYN. Cf, atomic number 98.
Cf · atomic number 98
Abbreviation for confer (Latin “compare”).