Astatine (At)vsPotassium (K)
Astatine (At) has a higher Group (17 vs 1), while Astatine (At) has a higher Density (6 vs 1 g/cm³), while Astatine (At) has a higher Atomic Mass (210 vs 39 u).
Atomic Properties
85
Atomic Number
19
210
Atomic Mass
39
6
Period
4
17
Group
1
Physical Properties
6
Density
1
575
Melting Point
337
610
Boiling Point
1,032
N/A
Molar Heat Capacity
30
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
48
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).