Arsenic (As)vsHafnium (Hf)
Arsenic (As) has a higher Electron Affinity (78 vs 17 kJ/mol), while Arsenic (As) has a higher Group (15 vs 4), while Hafnium (Hf) has a higher Atomic Mass (178 vs 75 u).
Atomic Properties
33
Atomic Number
72
75
Atomic Mass
178
4
Period
6
15
Group
4
Physical Properties
6
Density
13
N/A
Melting Point
2,506
N/A
Boiling Point
4,876
25
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
1
78
Electron Affinity
17
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).