Erbium (Er)vsThorium (Th)
Thorium (Th) has a higher Electron Affinity (113 vs 30 kJ/mol), while Thorium (Th) has a higher Boiling Point (5,061 vs 3,141 K), while Thorium (Th) has a higher Atomic Mass (232 vs 167 u).
Atomic Properties
68
Atomic Number
90
167
Atomic Mass
232
6
Period
7
3
Group
3
Physical Properties
9
Density
12
1,802
Melting Point
2,023
3,141
Boiling Point
5,061
28
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
30
Electron Affinity
113
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).