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Actinium (Ac)vsPlatinum (Pt)

Platinum (Pt) has a higher Electron Affinity (205 vs 34 kJ/mol), while Platinum (Pt) has a higher Group (10 vs 3), while Platinum (Pt) has a higher Density (21 vs 10 g/cm³).

Atomic Properties

89
Atomic Number
78
227
Atomic Mass
195
7
Period
6
3
Group
10

Physical Properties

10
Density
21
1,500
Melting Point
2,041
3,500
Boiling Point
4,098
27
Molar Heat Capacity
26

Chemical Properties

1
Electronegativity
2
34
Electron Affinity
205

Similar Comparisons to Actinium (Ac) vs Platinum (Pt)

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