Iodine (I)vsMercury (Hg)
Iodine (I) has a higher Electron Affinity (295 vs -48 kJ/mol), while Mercury (Hg) has a higher Density (14 vs 5 g/cm³), while Iodine (I) has a higher Melting Point (387 vs 234 K).
Atomic Properties
53
Atomic Number
80
127
Atomic Mass
201
5
Period
6
17
Group
12
Physical Properties
5
Density
14
387
Melting Point
234
457
Boiling Point
630
N/A
Molar Heat Capacity
28
Chemical Properties
3
Electronegativity
2
295
Electron Affinity
-48
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).