SILICONVASE

IRIDIUM

PROPERTIES

atomic symbol: Ir

atomic number: 77

atomic mass: 197.217

group: trasnition metal

period: 6

electron configuration: [Xe]4f¹⁴5d⁷6s²

melting point: 2446 °C

boiling point: 4130 °C

room temp. state: solid

color: silvery-white

discoverer: Smithson Tennant

NOTES

🌸 Very hard and brittle.

🌸 Second densest naturally-occuring metal after Osmium.

🌸 The most corrosion resistant metals, it's very strong toward acids.

🌸 Iridium dust is reactive and flammable.

🌸 Used in pen tips, aircraft, jewerly, compass, spark plugs, standard metre bar, and some surgical tools.

ETYMOLOGY

Iris (Greek goddess, personification of rainbow), ium (Latin suffix for metal).

Named so because of the varying colors of its salts.

COMPOUNDS