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Astatine (At)vsBeryllium (Be)

Astatine (At) has a higher Electron Affinity (233 vs -48 kJ/mol), while Astatine (At) has a higher Atomic Mass (210 vs 9 u), while Astatine (At) has a higher Atomic Number (85 vs 4).

Atomic Properties

85
Atomic Number
4
210
Atomic Mass
9
6
Period
2
17
Group
2

Physical Properties

6
Density
2
575
Melting Point
1,560
610
Boiling Point
2,742
N/A
Molar Heat Capacity
16

Chemical Properties

2
Electronegativity
2
233
Electron Affinity
-48

Similar Comparisons to Astatine (At) vs Beryllium (Be)

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