Astatine (At)vsHydrogen (H)
Astatine (At) has a higher Atomic Mass (210 vs 1 u), while Astatine (At) has a higher Atomic Number (85 vs 1), while Astatine (At) has a higher Density (6 vs 0 g/cm³).
Atomic Properties
85
Atomic Number
1
210
Atomic Mass
1
6
Period
1
17
Group
1
Physical Properties
6
Density
0
575
Melting Point
14
610
Boiling Point
20
N/A
Molar Heat Capacity
29
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
73
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).