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Actinium (Ac)vsLutetium (Lu)

Actinium (Ac) has a higher Atomic Mass (227 vs 175 u), while Lutetium (Lu) has a higher Melting Point (1,925 vs 1,500 K), while Actinium (Ac) has a higher Atomic Number (89 vs 71).

Atomic Properties

89
Atomic Number
71
227
Atomic Mass
175
7
Period
6
3
Group
3

Physical Properties

10
Density
10
1,500
Melting Point
1,925
3,500
Boiling Point
3,675
27
Molar Heat Capacity
27

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
33

Similar Comparisons to Actinium (Ac) vs Lutetium (Lu)

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