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Astatine (At)vsHelium (He)

Astatine (At) has a higher Electron Affinity (233 vs -48 kJ/mol), while Astatine (At) has a higher Melting Point (575 vs 1 K), while Astatine (At) has a higher Boiling Point (610 vs 4 K).

Atomic Properties

85
Atomic Number
2
210
Atomic Mass
4
6
Period
1
17
Group
18

Physical Properties

6
Density
0
575
Melting Point
1
610
Boiling Point
4
N/A
Molar Heat Capacity
N/A

Chemical Properties

2
Electronegativity
N/A
233
Electron Affinity
-48

Similar Comparisons to Astatine (At) vs Helium (He)

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