Astatine (At)vsScandium (Sc)
Astatine (At) has a higher Electron Affinity (233 vs 18 kJ/mol), while Astatine (At) has a higher Group (17 vs 3), while Scandium (Sc) has a higher Boiling Point (3,109 vs 610 K).
Atomic Properties
85
Atomic Number
21
210
Atomic Mass
45
6
Period
4
17
Group
3
Physical Properties
6
Density
3
575
Melting Point
1,814
610
Boiling Point
3,109
N/A
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
18
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).