Erbium (Er)vsYttrium (Y)
Erbium (Er) has a higher Density (9 vs 4 g/cm³), while Erbium (Er) has a higher Atomic Mass (167 vs 89 u), while Erbium (Er) has a higher Atomic Number (68 vs 39).
Atomic Properties
68
Atomic Number
39
167
Atomic Mass
89
6
Period
5
3
Group
3
Physical Properties
9
Density
4
1,802
Melting Point
1,799
3,141
Boiling Point
3,203
28
Molar Heat Capacity
27
Chemical Properties
1
Electronegativity
1
30
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).