cobalt

Cobalt or Co

• atomic number is 27

• atomic weight is 58.6934

• color is Gray

• state at 298.15°k is Solid

• classification is Metallic

• date of discovery is 1735

• density kg/m^3 is 8900

• melting point is 1768.15

• boiling point is 1235 K

• group is Transition Metal

• Number of neutron is 31