Periodic Table · element

Xenon

Xe · Z 54

atomic number

54

atomic mass

131.29

notation

Xe

group

18: Helium/Neon

period

5

state0c

Gas

state20c

Gas

occurrence

Primordial

density

0.005887

melting pt

-118.8

boiling pt

-108.12

discovered

1898

abundance

3e-05

ore minerals

the atmosphere (0.09 ppm)

mined as

Not mined

extraction

Air separation; the rarest thing routinely extracted from air, and priced accordingly.

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From the All Periodical Elements database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.