Antimony (Sb)vsArsenic (As)
Antimony (Sb) has a higher Atomic Mass (122 vs 75 u), while Antimony (Sb) has a higher Atomic Number (51 vs 33), while Antimony (Sb) has a higher Electron Affinity (101 vs 78 kJ/mol).
Atomic Properties
51
Atomic Number
33
122
Atomic Mass
75
5
Period
4
15
Group
15
Physical Properties
7
Density
6
904
Melting Point
N/A
1,908
Boiling Point
N/A
25
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
101
Electron Affinity
78
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).