Argon (Ar)vsErbium (Er)
Erbium (Er) has a higher Electron Affinity (30 vs -96 kJ/mol), while Erbium (Er) has a higher Boiling Point (3,141 vs 87 K), while Erbium (Er) has a higher Melting Point (1,802 vs 84 K).
Atomic Properties
18
Atomic Number
68
40
Atomic Mass
167
3
Period
6
18
Group
3
Physical Properties
2
Density
9
84
Melting Point
1,802
87
Boiling Point
3,141
N/A
Molar Heat Capacity
28
Chemical Properties
N/A
Electronegativity
1
-96
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).