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Calcium (Ca)vsIridium (Ir)

Iridium (Ir) has a higher Electron Affinity (151 vs 2 kJ/mol), while Iridium (Ir) has a higher Density (23 vs 2 g/cm³), while Iridium (Ir) has a higher Atomic Mass (192 vs 40 u).

Atomic Properties

20
Atomic Number
77
40
Atomic Mass
192
4
Period
6
2
Group
9

Physical Properties

2
Density
23
1,115
Melting Point
2,719
1,757
Boiling Point
4,403
26
Molar Heat Capacity
25

Chemical Properties

1
Electronegativity
2
2
Electron Affinity
151

Similar Comparisons to Calcium (Ca) vs Iridium (Ir)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).