Astatine (At)vsCesium (Cs)
Astatine (At) has a higher Group (17 vs 1), while Astatine (At) has a higher Electron Affinity (233 vs 46 kJ/mol), while Astatine (At) has a higher Density (6 vs 2 g/cm³).
Atomic Properties
85
Atomic Number
55
210
Atomic Mass
133
6
Period
6
17
Group
1
Physical Properties
6
Density
2
575
Melting Point
302
610
Boiling Point
944
N/A
Molar Heat Capacity
32
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
46
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).