Name:
Argon
Symbol:
Ar
Atomic Number:
18
Atomic Mass:
39.948 amu
Melting Point:
-189.3 °C
(83.85 °K, -308.74 °F)
Boiling Point:
-186.0 °C
(87.15 °K, -302.8 °F)
Density @ 293 K:
1.784 g/cm
3
