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Actinium (Ac)vsEinsteinium (Es)

Actinium (Ac) has a higher Electron Affinity (34 vs -29 kJ/mol), while Actinium (Ac) has a higher Boiling Point (3,500 vs 1,269 K), while Actinium (Ac) has a higher Melting Point (1,500 vs 1,133 K).

Atomic Properties

89
Atomic Number
99
227
Atomic Mass
252
7
Period
7
3
Group
3

Physical Properties

10
Density
9
1,500
Melting Point
1,133
3,500
Boiling Point
1,269
27
Molar Heat Capacity
N/A

Chemical Properties

1
Electronegativity
1
34
Electron Affinity
-29

Similar Comparisons to Actinium (Ac) vs Einsteinium (Es)

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