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Lithium (Li)vsPromethium (Pm)

Promethium (Pm) has a higher Atomic Mass (145 vs 7 u), while Promethium (Pm) has a higher Atomic Number (61 vs 3), while Promethium (Pm) has a higher Density (7 vs 1 g/cm³).

Atomic Properties

3
Atomic Number
61
7
Atomic Mass
145
2
Period
6
1
Group
3

Physical Properties

1
Density
7
454
Melting Point
1,315
1,603
Boiling Point
3,273
25
Molar Heat Capacity
N/A

Chemical Properties

1
Electronegativity
1
60
Electron Affinity
12

Similar Comparisons to Lithium (Li) vs Promethium (Pm)

More comparisons with Lithium (Li)

vs Actinium (Ac)vs Aluminium (Al)vs Americium (Am)vs Antimony (Sb)vs Argon (Ar)vs Arsenic (As)vs Astatine (At)vs Barium (Ba)

More comparisons with Promethium (Pm)

vs Actinium (Ac)vs Aluminium (Al)vs Americium (Am)vs Antimony (Sb)vs Argon (Ar)vs Arsenic (As)vs Astatine (At)vs Barium (Ba)
Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).