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Bk: 2·8·18·32·27·8·2

elements · 97 / 118 · All 118

Bk

Berkelium

Z 
97
Mass 
247
Lifeforce 
Earth
A tiny metal disc in a holder, a fine beam aimed at its centre.
Plate · Berkelium Berkelium serves as the step from which researchers build the still heavier elements.

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

Synthesized by human hands in particle accelerators; does not occur stably in nature.

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

Bk · Lab

Synthesized by human hands in particle accelerators; does not occur stably in nature.

28 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.