Arsenic (As)vsLanthanum (La)
Arsenic (As) has a higher Group (15 vs 3), while Arsenic (As) has a higher Electronegativity (2 vs 1 Pauling), while Lanthanum (La) has a higher Atomic Mass (139 vs 75 u).
Atomic Properties
33
Atomic Number
57
75
Atomic Mass
139
4
Period
6
15
Group
3
Physical Properties
6
Density
6
N/A
Melting Point
1,193
N/A
Boiling Point
3,737
25
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
1
78
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).