Sodium (Na)vsThulium (Tm)
Thulium (Tm) has a higher Density (9 vs 1 g/cm³), while Thulium (Tm) has a higher Atomic Mass (169 vs 23 u), while Thulium (Tm) has a higher Atomic Number (69 vs 11).
Atomic Properties
11
Atomic Number
69
23
Atomic Mass
169
3
Period
6
1
Group
3
Physical Properties
1
Density
9
371
Melting Point
1,818
1,156
Boiling Point
2,223
28
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
53
Electron Affinity
99
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).