Arsenic (As)vsEuropium (Eu)
Arsenic (As) has a higher Electron Affinity (78 vs 11 kJ/mol), while Arsenic (As) has a higher Group (15 vs 3), while Europium (Eu) has a higher Atomic Mass (152 vs 75 u).
Atomic Properties
33
Atomic Number
63
75
Atomic Mass
152
4
Period
6
15
Group
3
Physical Properties
6
Density
5
N/A
Melting Point
1,099
N/A
Boiling Point
1,802
25
Molar Heat Capacity
28
Chemical Properties
2
Electronegativity
1
78
Electron Affinity
11
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).