Erbium (Er)vsIodine (I)
Iodine (I) has a higher Electron Affinity (295 vs 30 kJ/mol), while Erbium (Er) has a higher Boiling Point (3,141 vs 457 K), while Iodine (I) has a higher Group (17 vs 3).
Atomic Properties
68
Atomic Number
53
167
Atomic Mass
127
6
Period
5
3
Group
17
Physical Properties
9
Density
5
1,802
Melting Point
387
3,141
Boiling Point
457
28
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
3
30
Electron Affinity
295
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).