Arsenic (As)vsLead (Pb)
Lead (Pb) has a higher Atomic Mass (207 vs 75 u), while Lead (Pb) has a higher Atomic Number (82 vs 33), while Arsenic (As) has a higher Electron Affinity (78 vs 34 kJ/mol).
Atomic Properties
33
Atomic Number
82
75
Atomic Mass
207
4
Period
6
15
Group
14
Physical Properties
6
Density
11
N/A
Melting Point
601
N/A
Boiling Point
2,022
25
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
2
78
Electron Affinity
34
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).