27 Co 58.933

Cobalt

Category: Transition metal | State: Solid

Atomic Properties

Atomic Number 27
Atomic Mass 58.933
Electronic Configuration [Ar] 3d⁷ 4s²

Periodic Table Placement

Group 9
Period 4
Block d-block

Physical Properties & Discovery

Melting Point 1495°C
Boiling Point 2927°C
Density 8.90 g/cm³
Discovered By Georg Brandt (1735)

Frequently Asked Questions about Cobalt