Argon (Ar)vsHafnium (Hf)
Hafnium (Hf) has a higher Electron Affinity (17 vs -96 kJ/mol), while Hafnium (Hf) has a higher Boiling Point (4,876 vs 87 K), while Hafnium (Hf) has a higher Melting Point (2,506 vs 84 K).
Atomic Properties
18
Atomic Number
72
40
Atomic Mass
178
3
Period
6
18
Group
4
Physical Properties
2
Density
13
84
Melting Point
2,506
87
Boiling Point
4,876
N/A
Molar Heat Capacity
26
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
17
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).