Cobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined...

The Chevrolet Cobalt is a compact car introduced by Chevrolet in 2004 for the 2005 model year. The Cobalt replaced both the Cavalier and the Toyota-based...

A cobalt bomb is a type of "salted bomb": a nuclear weapon designed to produce enhanced amounts of radioactive fallout, intended to contaminate a large...

Naturally occurring cobalt, Co, consists of a single stable isotope, 59Co (thus, cobalt is a mononuclidic element). Twenty-eight radioisotopes have been...

Cobalt oxide is a family of chemical compounds consisting of cobalt and oxygen atoms. Compounds in the cobalt oxide family include: Cobalt(II) oxide (cobaltous...

Cobalt blue is a blue pigment made by sintering cobalt(II) oxide with aluminium(III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt(II)...

Cobalt-60 (60Co) is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years.: 39  It is produced artificially in nuclear reactors....

Cobalt therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer. Beginning in the 1950s, cobalt-60 was...

Cobalt blue is a type of color pigment. Additionally, it may refer to: Cobalt blue tarantula, a type of tarantula Cobalt Blue Mbuna or Cobalt Blue African...

Cobalt(II) chloride is an inorganic compound, a salt of cobalt and chlorine, with the formula CoCl 2. The compound forms several hydrates CoCl 2·nH 2O...