27

Co

Cobalt

58.933

Transition Metal
Solid

Discovery

Brandt, Georg (1735)

Etymology

German

Meaning

Evil spirit

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Hexagonal close-packed

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Solid

Melting point

  (at 101.325 kPa)

1495.0 °C

1768.15 K

Boiling point

  (at 101.325 kPa)

2750.0 °C

3023.15 K

Density

  (at 21 °C and 101.325 kPa)

8.90 g/cm3

Electronegativity

1.88