Co

Cobalt

Z 27 58.933 g/molTransition Metal

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

9

Period

4

Block

d

Occurrence

Exploding white dwarfs 68%Exploding massive stars 32%Geochemical class: Siderophile

Biological Role

Humans: MicronutrientMicrobes: Essential

History

1735 (discovery, isolation)

Georg Brandt

Named By

Georg Brandt

Latin Name

Cobaltum

Abundance

Solar System

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x