Americium (Am)vsPromethium (Pm)
Americium (Am) has a higher Atomic Mass (243 vs 145 u), while Americium (Am) has a higher Density (12 vs 7 g/cm³), while Americium (Am) has a higher Atomic Number (95 vs 61).
Atomic Properties
95
Atomic Number
61
243
Atomic Mass
145
7
Period
6
3
Group
3
Physical Properties
12
Density
7
1,449
Melting Point
1,315
2,880
Boiling Point
3,273
63
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
12
Similar Comparisons to Americium (Am) vs Promethium (Pm)
More comparisons with Americium (Am)
More comparisons with Promethium (Pm)
Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).