Erbium (Er)vsStrontium (Sr)
Erbium (Er) has a higher Electron Affinity (30 vs 5 kJ/mol), while Erbium (Er) has a higher Density (9 vs 3 g/cm³), while Erbium (Er) has a higher Atomic Mass (167 vs 88 u).
Atomic Properties
68
Atomic Number
38
167
Atomic Mass
88
6
Period
5
3
Group
2
Physical Properties
9
Density
3
1,802
Melting Point
1,050
3,141
Boiling Point
1,650
28
Molar Heat Capacity
26
Chemical Properties
1
Electronegativity
1
30
Electron Affinity
5
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).