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Th: 2·8·18·32·18·10·2

elements · 90 / 118 · All 118

Th

Thorium

Z 
90
Mass 
232.038
Lifeforce 
Earth
A camping lantern hisses in a tent at night, its mantle glowing bright white.
Plate · Thorium Thorium made the gas mantles burn as bright as scarcely any light before.

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

Forged in the collision of neutron stars, among the rarest events in the cosmos. Older than the Sun.

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

Th · Neutron stars

Forged in the collision of neutron stars, among the rarest events in the cosmos. Older than the Sun.

8 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.