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Argon (Ar)vsOxygen (O)

Oxygen (O) has a higher Electron Affinity (141 vs -96 kJ/mol), while Argon (Ar) has a higher Atomic Mass (40 vs 16 u), while Argon (Ar) has a higher Atomic Number (18 vs 8).

Atomic Properties

18
Atomic Number
8
40
Atomic Mass
16
3
Period
2
18
Group
16

Physical Properties

2
Density
1
84
Melting Point
54
87
Boiling Point
90
N/A
Molar Heat Capacity
N/A

Chemical Properties

N/A
Electronegativity
3
-96
Electron Affinity
141

Similar Comparisons to Argon (Ar) vs Oxygen (O)

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