Actinium (Ac)vsCadmium (Cd)
Actinium (Ac) has a higher Electron Affinity (34 vs -68 kJ/mol), while Cadmium (Cd) has a higher Group (12 vs 3), while Actinium (Ac) has a higher Boiling Point (3,500 vs 1,040 K).
Atomic Properties
89
Atomic Number
48
227
Atomic Mass
112
7
Period
5
3
Group
12
Physical Properties
10
Density
9
1,500
Melting Point
594
3,500
Boiling Point
1,040
27
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
2
34
Electron Affinity
-68
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).