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Actinium (Ac)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 Density (23 vs 10 g/cm³).

Atomic Properties

89
Atomic Number
76
227
Atomic Mass
190
7
Period
6
3
Group
8

Physical Properties

10
Density
23
1,500
Melting Point
3,306
3,500
Boiling Point
5,285
27
Molar Heat Capacity
25

Chemical Properties

1
Electronegativity
2
34
Electron Affinity
104

Similar Comparisons to Actinium (Ac) vs Osmium (Os)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).