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Er: 2·8·18·30·8·2

elements · 68 / 118 · All 118

Er

Erbium

Z 
68
Mass 
167.259
Lifeforce 
Earth
A bundle of thin glass fibres glowing at their ends as light passes through.
Plate · Erbium Erbium refreshes the light inside the fibres so it reaches further than ever before.

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

Er · 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.