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Ru: 2·8·18·15·1

elements · 44 / 118 · All 118

Ru

Ruthenium

Z 
44
Mass 
101.07
Lifeforce 
Earth
A spinning silver disc inside an opened hard drive.
Plate · Ruthenium Ruthenium settles on the disc as a wafer-thin layer and lets it hold more.

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

Ru · 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.