Osmium (Os): Fun Facts and Information About the Element

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Fun Facts about Osmium

What is the symbol? Os
What is the atomic number? 76
What is the atomic weight? 190.23
What is the melting point in Celsius? 3045
What is the boiling point in Celsius? 5027
What is the density (g/cm3)? 22.6
What year was it discovered? 1803
Who discovered the element? Smithson Tennant
What group is the element in? 8
What is the electron configuration? [Xe] 4f14 5d6 6s2
What is the ionization energy? 8.4382
What element category is it in? Transition Elements

Where is Osmium Found?

Osmium occurs in iridosule and in platinum-bearing river sands in the Urals, North America, and South America. It is also found in the nickel-bearing ores of Sudbury, Ontario region along with other platinum metals.

What is Osmium Used For?

The tetroxide has been used to detect fingerprints and to stain fatty tissue for microscope slides. The metal is almost entirely used to produce very hard alloys with other metals of the platinum group for fountain pen tips, instrument pivots, phonograph needles, and electrical contacts.

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