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Ca: 2·8·8·2

elements · 20 / 118 · All 118

Ca

Calcium

Z 
20
Mass 
40.078
Lifeforce 
Fire
In the body 
heart, bones, muscle

99% of your calcium is skeleton: the literal earth your form stands on. The one percent conducts every heartbeat.

A smith's hands strike sparks from glowing embers; the sparks become tiny glowing runners.
Plate · Fire Fire never waits. It ignites whatever it touches.

Forged in oxygen and silicon burning in massive stars before they explode.

Lab note · 1.5% of your body. Bones, teeth, nerve signals, muscle contraction, blood clotting: calcium does all of it.

Tool · Cosmic origin

Where your atoms come from

Ca · Star fusion

Forged in the cores of living stars over billions of years of stellar fusion.

14 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.