Antimony (Sb)vsErbium (Er)
Antimony (Sb) has a higher Group (15 vs 3), while Antimony (Sb) has a higher Electron Affinity (101 vs 30 kJ/mol), while Erbium (Er) has a higher Melting Point (1,802 vs 904 K).
Atomic Properties
51
Atomic Number
68
122
Atomic Mass
167
5
Period
6
15
Group
3
Physical Properties
7
Density
9
904
Melting Point
1,802
1,908
Boiling Point
3,141
25
Molar Heat Capacity
28
Chemical Properties
2
Electronegativity
1
101
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).