Cobalt (Co)vsLanthanum (La)
Cobalt (Co) has a higher Group (9 vs 3), while Lanthanum (La) has a higher Atomic Mass (139 vs 59 u), while Lanthanum (La) has a higher Atomic Number (57 vs 27).
Atomic Properties
27
Atomic Number
57
59
Atomic Mass
139
4
Period
6
9
Group
3
Physical Properties
9
Density
6
1,768
Melting Point
1,193
3,200
Boiling Point
3,737
25
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
1
64
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).