77 Ir 192.22

Iridium

Category: Transition metal | State: Solid

Atomic Properties

Atomic Number 77
Atomic Mass 192.22
Electronic Configuration [Xe] 4f¹⁴ 5d⁷ 6s²

Periodic Table Placement

Group 9
Period 6
Block d-block

Physical Properties & Discovery

Melting Point 2446°C
Boiling Point 4428°C
Density 22.56 g/cm³
Discovered By Smithson Tennant (1803)

Frequently Asked Questions about Iridium