elements · 36 / 118 · All 118

Krypton

Z: 36
Mass: 83.798
Lifeforce: Source

A rare gas, extracted from the air we all breathe. And of all things, the measure of the world once hung on it: for a time, the meter itself was defined by krypton.

A round garden with a clear spring at its center, encircled by flame, bowl, kites and terrace. — Plate · Source The Source needs nothing. It *rests* whole, all forces circling its center.

Krypton. Element thirty-six. A rare noble gas, mined from air. Once defined the meter, before lasers took the job.

Lab note · Atomic number 36; rare noble gas, extracted from air; once defined the meter.

Tool · Cosmic origin

Where your atoms come from

Kr · 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

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Fire
Water
Air
Earth
Source

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