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Promethium (Pm)vsSodium (Na)

Promethium (Pm) has a higher Density (7 vs 1 g/cm³), while Promethium (Pm) has a higher Atomic Mass (145 vs 23 u), while Promethium (Pm) has a higher Atomic Number (61 vs 11).

Atomic Properties

61
Atomic Number
11
145
Atomic Mass
23
6
Period
3
3
Group
1

Physical Properties

7
Density
1
1,315
Melting Point
371
3,273
Boiling Point
1,156
N/A
Molar Heat Capacity
28

Chemical Properties

1
Electronegativity
1
12
Electron Affinity
53

Similar Comparisons to Promethium (Pm) vs Sodium (Na)

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)

More comparisons with Sodium (Na)

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)).