Date of Discovery: 1894
Discoverer: Sir William Ramsey
J.L Gay-Lussac
Name Origin: From the Greek word argon (inactive)
Uses: Lighting
Obtained From: Air
Ar
Ar
Jason from Jason and the Argonauts. Of noble birth. Chased after the golden fleece. Lost one shoe along the way.
Ar
Ar
Electrons: 18
Protons: 18
Neutrons: 22
Atomic Mass:
39.948 amu
Melting Point:
-189.3 °C
83.85 °K
-308.74 °
Boiling Point:
-186.0 °C
87.15 °K
-302.8 °F
Classification:
Noble Gas
Crystal Structure:
Cubic
Density @ 293 K:
1.784 g/cm3
Color: Colorless Gas
Metaloids
Neighbors
Fluorine Neon
Chlorine Argon La
Bromine Krypton
Neighbor