Atomic Number

Californium’s atomic number is 98

Its Symbol

The symbol is Cf

Its Atomic Weight

Californium’s weight is 251

What Color is it?

Its is a silvery white actinides metal

Who Discovered it?

Californium was first made in 1950 at Berkeley, California, by a team consisting of Stanley Thompson, Kenneth Street Jr., Albert Ghiorso, and Glenn Seaborg. They made it by firing helium nuclei (alpha particles).

When was it Discovered?

It was discovered 1950

How Many Protons and Neutrons does it have?

98 protons and 153 neutrons

How did it get its Name?

The name californium is derived from the name of the US state California.

What is its melting point?

Melting point of 900 – 30 °C

What is its boiling point?

Estimated boiling point of 1745 K

Is it Sable?

No californium is not stable

Where can it be found?

Californium is found in supernovae. It is made through the reaction of nuclear reactors, as a result of the motion of plutonium with neutrons which are found in the accelerators of particles. In the periodic table, it is in group 7 and in period 2.

What is it used for?

It is used to detect other metals.Used as a source of fission fragments for research purposes. Californium is a good source of neutrons. It can be used as a portable neutron source for the detection of gold or silver by on-the-spot activation analysis. It is used in moisture gauges for the determination of water and oil-bearing layers in oil wells.