Curium (Cm)vsTerbium (Tb)
Terbium (Tb) has a higher Electron Affinity (112 vs 27 kJ/mol), while Curium (Cm) has a higher Density (14 vs 8 g/cm³), while Curium (Cm) has a higher Atomic Mass (247 vs 159 u).
Atomic Properties
96
Atomic Number
65
247
Atomic Mass
159
7
Period
6
3
Group
3
Physical Properties
14
Density
8
1,613
Melting Point
1,629
3,383
Boiling Point
3,396
N/A
Molar Heat Capacity
29
Chemical Properties
1
Electronegativity
1
27
Electron Affinity
112
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).