Dysprosium (Dy)vsThulium (Tm)
Thulium (Tm) has a higher Electron Affinity (99 vs 34 kJ/mol), while Dysprosium (Dy) has a higher Boiling Point (2,840 vs 2,223 K), while Thulium (Tm) has a higher Density (9 vs 9 g/cm³).
Atomic Properties
66
Atomic Number
69
163
Atomic Mass
169
6
Period
6
3
Group
3
Physical Properties
9
Density
9
1,680
Melting Point
1,818
2,840
Boiling Point
2,223
28
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
34
Electron Affinity
99
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).