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Actinium (Ac)vsYttrium (Y)

Actinium (Ac) has a higher Atomic Mass (227 vs 89 u), while Actinium (Ac) has a higher Atomic Number (89 vs 39), while Actinium (Ac) has a higher Density (10 vs 4 g/cm³).

Atomic Properties

89
Atomic Number
39
227
Atomic Mass
89
7
Period
5
3
Group
3

Physical Properties

10
Density
4
1,500
Melting Point
1,799
3,500
Boiling Point
3,203
27
Molar Heat Capacity
27

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
30

Similar Comparisons to Actinium (Ac) vs Yttrium (Y)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).