Ar

Argon

Z 18 39.95 g/molNoble Gas

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

18

Period

3

Block

p

Occurrence

Primordial

Biological Role

---

History

1894 (discovery, isolation)

John William Strutt, William Ramsay

Named By

John William Strutt

Latin Name

Argon

Abundance

Universe

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x