Element 18 - Argon / Argon

(Latin / English)

Mass Number

Atomic Mass

% Abundance

Nuclear Spin

36

35.9675

0.337

0

37 *

36.9668

0

3/2+

38

37.9627

0.063

0

39 *

38.9623

0

7/2-

40

39.9624

99.600

0

(* = unstable isotope)

Mass Number	Atomic Mass	% Abundance	Nuclear Spin
36	35.9675	0.337	0
37 *	36.9668	0	3/2+
38	37.9627	0.063	0
39 *	38.9623	0	7/2-
40	39.9624	99.600	0

Electron Configuration:

[Ne] 3s² 3p⁶

Relative Atomic Mass:

39.948

State (25°C, 1 atm):

gas, non-metal

Density:

1.784 kg/m³

Melting Temperature:

83.78 K

Boiling Temperature:

87.29 K

Electron Configuration:	[Ne] 3s² 3p⁶
Relative Atomic Mass:	39.948
State (25°C, 1 atm):	gas, non-metal
Density:	1.784 kg/m³
Melting Temperature:	83.78 K
Boiling Temperature:	87.29 K