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Protactinium (Pa)vsThallium (Tl)

Thallium (Tl) has a higher Group (13 vs 3), while Protactinium (Pa) has a higher Melting Point (1,841 vs 577 K), while Protactinium (Pa) has a higher Boiling Point (4,300 vs 1,746 K).

Atomic Properties

91
Atomic Number
81
231
Atomic Mass
204
7
Period
6
3
Group
13

Physical Properties

15
Density
12
1,841
Melting Point
577
4,300
Boiling Point
1,746
N/A
Molar Heat Capacity
26

Chemical Properties

2
Electronegativity
2
53
Electron Affinity
36

Similar Comparisons to Protactinium (Pa) vs Thallium (Tl)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).