Osmium (Os)
"Captain Density, whose incredible mass makes him the ultimate unmovable object and the heaviest hero in the universe, crushing any challenge with his sheer, concentrated power!"
A memorable persona to anchor Os in your mind.
22.59
Grams per cm³
3033
Celsius (°C)
216
Radius (pm)
Daily Life Link
Ever tried to pick up a bowling ball and found it surprisingly heavy? Osmium takes 'heavy' to an absolutely mind-bending extreme!
Discovery & History
Year Discovered
1803
Discovered By
Smithson Tennant
Origin of Name
"The name is derived from the Greek word ''osme'', meaning smell."
Technical Properties
Atomic Mass
190.23 u
Standard State
solid
Boiling Point
5008°C
Electron Configuration
[Xe] 4f145d66s2
1st Ionization Energy
8.7 eV
Electron Affinity
N/A
Oxidation States
"A sparkling, bluish-white metal, sleek and solid, reflecting its intense internal power and incredible density."
Did You Know?
Density King! Osmium is the densest *naturally occurring* element on Earth. Period. No other element beats its incredible compactness!
Heavyweight Champion: Imagine a sugar cube made of osmium. It would weigh about as much as two AA batteries! That’s how incredibly heavy this metal is for its size.
Unbeatable Hardness: Not only is it super dense, but Osmium is also one of the hardest metals out there, making it incredibly tough and resistant to wear.
Corrosion Crusher: Forget rust and tarnish! Osmium shrugs off most acids and corrosion like they're nothing, staying shiny and strong.