Chemical Element: Argon
Properties:
Periodic Number: 18
Symbol: Ar
Name: Argon
Average Mass: 39.948 g/mol
Stable: yes
Density: 1.4
Boiling Point: -185.8°C
Melting Point: -189.4°C
Specific Heat: 0.5 J/(g*K)
Ionisation Potential: 15.8 eV
18
Ar
39.948
Isotopes:
Name Neutrons Mass Abundance Spin Stable Half Life
35Ar 17 34.9752567 0 - no -
32Ar 14 31.99766 0 - no -
36Ar 18 35.96754628 0.003365 - yes -
37Ar 18 36.9667759 0 - no -
52Ar 34 51.99817 0 - no -
48Ar 30 47.97507 0 - no -
42Ar 24 41.96305 0 - no -
38Ar 20 37.9627322 0.000632 - yes -
39Ar 21 38.964313 0 - no -
51Ar 33 50.99324 0 - no -
45Ar 27 44.96809 0 - no -
43Ar 25 42.96567 0 - no -
44Ar 26 43.965365 0 - no -
46Ar 28 45.96809 0 - no -
31Ar 13 31.01213 0 - no -
30Ar 11 30.02156 0 - no -
49Ar 31 48.98218 0 - no -
50Ar 32 49.98594 0 - no -
47Ar 29 46.97219 0 - no -
53Ar 35 53.00623 0 - no -
34Ar 16 33.98027 0 - no -
41Ar 23 40.9645008 0 - no -
33Ar 15 32.98993 0 - no -
40Ar 22 39.962383123 0.996003 - yes -