Actinium (Ac)vsFermium (Fm)
Fermium (Fm) has a higher Melting Point (1,800 vs 1,500 K), while Fermium (Fm) has a higher Electronegativity (1 vs 1 Pauling), while Fermium (Fm) has a higher Atomic Mass (257 vs 227 u).
Atomic Properties
89
Atomic Number
100
227
Atomic Mass
257
7
Period
7
3
Group
3
Physical Properties
10
Density
N/A
1,500
Melting Point
1,800
3,500
Boiling Point
N/A
27
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
34
Electron Affinity
34
Similar Comparisons to Actinium (Ac) vs Fermium (Fm)
More comparisons with Actinium (Ac)
More comparisons with Fermium (Fm)
Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).