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Iridium

(Ir)

Category

Transition metal

Relative atomic mass

192.217

Density

22.59

Melting point (°C)

2430

Boiling point (°C)

4404

Electronegativity (Pauling)

2.2

Discovery year

1803

Discovered by

William Hyde Wollaston

created by @lukaswyss

Iridium (Ir) – Element 77