Antimony (Sb)vsLead (Pb)
Antimony (Sb) has a higher Electron Affinity (101 vs 34 kJ/mol), while Lead (Pb) has a higher Atomic Mass (207 vs 122 u), while Lead (Pb) has a higher Density (11 vs 7 g/cm³).
Atomic Properties
51
Atomic Number
82
122
Atomic Mass
207
5
Period
6
15
Group
14
Physical Properties
7
Density
11
904
Melting Point
601
1,908
Boiling Point
2,022
25
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
2
101
Electron Affinity
34
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).