Skip to content

Argon (Ar)vsHydrogen (H)

Hydrogen (H) has a higher Electron Affinity (73 vs -96 kJ/mol), while Argon (Ar) has a higher Atomic Mass (40 vs 1 u), while Argon (Ar) has a higher Density (2 vs 0 g/cm³).

Atomic Properties

18
Atomic Number
1
40
Atomic Mass
1
3
Period
1
18
Group
1

Physical Properties

2
Density
0
84
Melting Point
14
87
Boiling Point
20
N/A
Molar Heat Capacity
29

Chemical Properties

N/A
Electronegativity
2
-96
Electron Affinity
73

Similar Comparisons to Argon (Ar) vs Hydrogen (H)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).