Astatine (At)vsBromine (Br)
Astatine (At) has a higher Atomic Mass (210 vs 80 u), while Astatine (At) has a higher Atomic Number (85 vs 35), while Astatine (At) has a higher Melting Point (575 vs 266 K).
Atomic Properties
85
Atomic Number
35
210
Atomic Mass
80
6
Period
4
17
Group
17
Physical Properties
6
Density
3
575
Melting Point
266
610
Boiling Point
332
N/A
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
3
233
Electron Affinity
325
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).