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Actinium (Ac)vsScandium (Sc)

Actinium (Ac) has a higher Atomic Mass (227 vs 45 u), while Actinium (Ac) has a higher Atomic Number (89 vs 21), while Actinium (Ac) has a higher Density (10 vs 3 g/cm³).

Atomic Properties

89
Atomic Number
21
227
Atomic Mass
45
7
Period
4
3
Group
3

Physical Properties

10
Density
3
1,500
Melting Point
1,814
3,500
Boiling Point
3,109
27
Molar Heat Capacity
26

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
18

Similar Comparisons to Actinium (Ac) vs Scandium (Sc)

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