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Actinium (Ac)vsRubidium (Rb)

Actinium (Ac) has a higher Density (10 vs 2 g/cm³), while Actinium (Ac) has a higher Melting Point (1,500 vs 312 K), while Actinium (Ac) has a higher Boiling Point (3,500 vs 961 K).

Atomic Properties

89
Atomic Number
37
227
Atomic Mass
85
7
Period
5
3
Group
1

Physical Properties

10
Density
2
1,500
Melting Point
312
3,500
Boiling Point
961
27
Molar Heat Capacity
31

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
47

Similar Comparisons to Actinium (Ac) vs Rubidium (Rb)

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