Barium (Ba)vsManganese (Mn)
Barium (Ba) has a higher Electron Affinity (14 vs -50 kJ/mol), while Manganese (Mn) has a higher Group (7 vs 2), while Barium (Ba) has a higher Atomic Mass (137 vs 55 u).
Atomic Properties
56
Atomic Number
25
137
Atomic Mass
55
6
Period
4
2
Group
7
Physical Properties
4
Density
7
1,000
Melting Point
1,519
2,118
Boiling Point
2,334
28
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
2
14
Electron Affinity
-50
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).