Barium (Ba)vsMagnesium (Mg)
Barium (Ba) has a higher Electron Affinity (14 vs -40 kJ/mol), while Barium (Ba) has a higher Atomic Mass (137 vs 24 u), while Barium (Ba) has a higher Atomic Number (56 vs 12).
Atomic Properties
56
Atomic Number
12
137
Atomic Mass
24
6
Period
3
2
Group
2
Physical Properties
4
Density
2
1,000
Melting Point
923
2,118
Boiling Point
1,363
28
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
1
14
Electron Affinity
-40
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).