Astatine (At)vsMagnesium (Mg)
Astatine (At) has a higher Electron Affinity (233 vs -40 kJ/mol), while Astatine (At) has a higher Atomic Mass (210 vs 24 u), while Astatine (At) has a higher Group (17 vs 2).
Atomic Properties
85
Atomic Number
12
210
Atomic Mass
24
6
Period
3
17
Group
2
Physical Properties
6
Density
2
575
Melting Point
923
610
Boiling Point
1,363
N/A
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
1
233
Electron Affinity
-40
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).