Californium was obtained at the University of California, Berkeley Laboratories by Stanley G. Thompson, Kenneth Street Jr., Albert Ghiorso and Glenn T. Seaborg in 1950.
Californium is a pure element.
Californium is an artificial chemical element.
Californium is an artificial chemical element !
Californium is an artificial element; the natural element exist only in infinitesimal traces in uranium ores.
Californium is a man made element; usually found in nuclear physics/radiochemistry laboratories.
Yes, californium is a pure chemical element, not a compound or mixture.
Californium is a chemical element !
Californium is an artificial element and is difficult to prepare and to separe this element.
Californium is an artificial element.
The element Californium is reactive.
Californium does not occur naturally. It is produced as a result of nuclear explosions and nuclear experiments.
Californium is a radioactive transuranic element, and is 'man-made'. Although it is not naturally occurring on earth, it does seem to come about in other places in the universe (pretty cool, huh?). It is used in starting nuclear reactors and medical treatment of cancer.