Astatine (At)vsRubidium (Rb)
Astatine (At) has a higher Group (17 vs 1), while Astatine (At) has a higher Electron Affinity (233 vs 47 kJ/mol), while Astatine (At) has a higher Density (6 vs 2 g/cm³).
Atomic Properties
85
Atomic Number
37
210
Atomic Mass
85
6
Period
5
17
Group
1
Physical Properties
6
Density
2
575
Melting Point
312
610
Boiling Point
961
N/A
Molar Heat Capacity
31
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
47
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).