Astatine (At)vsTechnetium (Tc)
Technetium (Tc) has a higher Boiling Point (4,538 vs 610 K), while Astatine (At) has a higher Electron Affinity (233 vs 53 kJ/mol), while Technetium (Tc) has a higher Melting Point (2,430 vs 575 K).
Atomic Properties
85
Atomic Number
43
210
Atomic Mass
98
6
Period
5
17
Group
7
Physical Properties
6
Density
11
575
Melting Point
2,430
610
Boiling Point
4,538
N/A
Molar Heat Capacity
24
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).