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Os: 2·8·18·32·14·2

elements · 76 / 118 · All 118

Os

Osmium

Z 
76
Mass 
190.23
Lifeforce 
Earth
A tiny metal sphere presses a deep hollow into a soft cushion.
Plate · Osmium Osmium is the densest of all elements, heavy far beyond its size.

Stable earth: holds form, endures, builds the structures on which all else stands. The slow time of matter, the patience of mountains.

Born in supernova explosions, the death of massive stars scattering their innards across the galaxy.

Family portrait: this element's own portrait is not written yet. Mendeleev left gaps; we label ours.

Tool · Cosmic origin

Where your atoms come from

Os · Supernova

Born in supernova explosions, the death of massive stars scattering their innards across the galaxy.

65 of the 118 elements share this origin.

Choose a stage: click, or arrow keys. · Cosmic nucleosynthesis · current standard model

Tool · Periodic table

Your place in the system

  • Fire
  • Water
  • Air
  • Earth
  • Source

Click any element to go there.