Astatine (At)vsIodine (I)
Astatine (At) has a higher Atomic Mass (210 vs 127 u), while Astatine (At) has a higher Atomic Number (85 vs 53), while Astatine (At) has a higher Melting Point (575 vs 387 K).
Atomic Properties
85
Atomic Number
53
210
Atomic Mass
127
6
Period
5
17
Group
17
Physical Properties
6
Density
5
575
Melting Point
387
610
Boiling Point
457
N/A
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
3
233
Electron Affinity
295
Similar Comparisons to Astatine (At) vs Iodine (I)
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).