Potassium (K)vsTerbium (Tb)
Terbium (Tb) has a higher Density (8 vs 1 g/cm³), while Terbium (Tb) has a higher Melting Point (1,629 vs 337 K), while Terbium (Tb) has a higher Atomic Mass (159 vs 39 u).
Atomic Properties
19
Atomic Number
65
39
Atomic Mass
159
4
Period
6
1
Group
3
Physical Properties
1
Density
8
337
Melting Point
1,629
1,032
Boiling Point
3,396
30
Molar Heat Capacity
29
Chemical Properties
1
Electronegativity
1
48
Electron Affinity
112
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).