Californium

Here is a brief description of californium.

•     Standard state: solid at 298 K
•     Colour: unknown, but probably metallic and silvery white or grey in appearance
•     Classification: Metallic
•      Availability:

Californium is a radioactive rare earth metal named after the state of California and the University of California (USA). Californium-252 is a strong neutron emitter and one microgram emits 170 million neutrons per minute, making it a biological hazard. It has a few specialised uses but only a few of its compounds are known.