Beryllium (Be)vsYttrium (Y)
Yttrium (Y) has a higher Electron Affinity (30 vs -48 kJ/mol), while Yttrium (Y) has a higher Atomic Mass (89 vs 9 u), while Yttrium (Y) has a higher Atomic Number (39 vs 4).
Atomic Properties
4
Atomic Number
39
9
Atomic Mass
89
2
Period
5
2
Group
3
Physical Properties
2
Density
4
1,560
Melting Point
1,799
2,742
Boiling Point
3,203
16
Molar Heat Capacity
27
Chemical Properties
2
Electronegativity
1
-48
Electron Affinity
30
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).