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Fermium (Fm)vsLanthanum (La)

Fermium (Fm) has a higher Atomic Mass (257 vs 139 u), while Fermium (Fm) has a higher Atomic Number (100 vs 57), while Lanthanum (La) has a higher Electron Affinity (53 vs 34 kJ/mol).

Atomic Properties

100
Atomic Number
57
257
Atomic Mass
139
7
Period
6
3
Group
3

Physical Properties

N/A
Density
6
1,800
Melting Point
1,193
N/A
Boiling Point
3,737
N/A
Molar Heat Capacity
27

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
53

Similar Comparisons to Fermium (Fm) vs Lanthanum (La)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).