Calcium (Ca)vsTantalum (Ta)
Tantalum (Ta) has a higher Electron Affinity (31 vs 2 kJ/mol), while Tantalum (Ta) has a higher Density (17 vs 2 g/cm³), while Tantalum (Ta) has a higher Atomic Mass (181 vs 40 u).
Atomic Properties
20
Atomic Number
73
40
Atomic Mass
181
4
Period
6
2
Group
5
Physical Properties
2
Density
17
1,115
Melting Point
3,290
1,757
Boiling Point
5,731
26
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
2
Electron Affinity
31
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).