Calcium (Ca)vsStrontium (Sr)
Strontium (Sr) has a higher Atomic Mass (88 vs 40 u), while Strontium (Sr) has a higher Electron Affinity (5 vs 2 kJ/mol), while Strontium (Sr) has a higher Atomic Number (38 vs 20).
Atomic Properties
20
Atomic Number
38
40
Atomic Mass
88
4
Period
5
2
Group
2
Physical Properties
2
Density
3
1,115
Melting Point
1,050
1,757
Boiling Point
1,650
26
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
2
Electron Affinity
5
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).