Barium (Ba)vsSodium (Na)
Barium (Ba) has a higher Atomic Mass (137 vs 23 u), while Barium (Ba) has a higher Atomic Number (56 vs 11), while Sodium (Na) has a higher Electron Affinity (53 vs 14 kJ/mol).
Atomic Properties
56
Atomic Number
11
137
Atomic Mass
23
6
Period
3
2
Group
1
Physical Properties
4
Density
1
1,000
Melting Point
371
2,118
Boiling Point
1,156
28
Molar Heat Capacity
28
Chemical Properties
1
Electronegativity
1
14
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).