Fermium (Fm)vsOsmium (Os)
Osmium (Os) has a higher Electron Affinity (104 vs 34 kJ/mol), while Osmium (Os) has a higher Group (8 vs 3), while Osmium (Os) has a higher Melting Point (3,306 vs 1,800 K).
Atomic Properties
100
Atomic Number
76
257
Atomic Mass
190
7
Period
6
3
Group
8
Physical Properties
N/A
Density
23
1,800
Melting Point
3,306
N/A
Boiling Point
5,285
N/A
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
34
Electron Affinity
104
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).