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Name:Iridium

Number:

77

Symbol:

IR

Discovered in:

1803

Atomic Weight:

192.217

Melting Point:

2719 K (2446°C or 4435°F)

Boiling Point:

4701 K (4428°C or 8002°F)

Density:

22.42 grams per cubic centimeter

Phase at Room Temperature:

Solid

Element Classification:

Metal