Calcium (Ca)vsZinc (Zn)
Calcium (Ca) has a higher Electron Affinity (2 vs -58 kJ/mol), while Zinc (Zn) has a higher Group (12 vs 2), while Zinc (Zn) has a higher Density (7 vs 2 g/cm³).
Atomic Properties
20
Atomic Number
30
40
Atomic Mass
65
4
Period
4
2
Group
12
Physical Properties
2
Density
7
1,115
Melting Point
693
1,757
Boiling Point
1,180
26
Molar Heat Capacity
25
Chemical Properties
1
Electronegativity
2
2
Electron Affinity
-58
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).