Cerium (Ce)vsFermium (Fm)
Fermium (Fm) has a higher Atomic Mass (257 vs 140 u), while Fermium (Fm) has a higher Atomic Number (100 vs 58), while Fermium (Fm) has a higher Melting Point (1,800 vs 1,068 K).
Atomic Properties
58
Atomic Number
100
140
Atomic Mass
257
6
Period
7
3
Group
3
Physical Properties
7
Density
N/A
1,068
Melting Point
1,800
3,716
Boiling Point
N/A
27
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
55
Electron Affinity
34
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).