Lanthanum (La)vsRadium (Ra)
Lanthanum (La) has a higher Electron Affinity (53 vs 10 kJ/mol), while Lanthanum (La) has a higher Boiling Point (3,737 vs 2,010 K), while Radium (Ra) has a higher Atomic Mass (226 vs 139 u).
Atomic Properties
57
Atomic Number
88
139
Atomic Mass
226
6
Period
7
3
Group
2
Physical Properties
6
Density
6
1,193
Melting Point
1,233
3,737
Boiling Point
2,010
27
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
53
Electron Affinity
10
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).