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Astatine (At)vsSelenium (Se)

Astatine (At) has a higher Atomic Mass (210 vs 79 u), while Astatine (At) has a higher Atomic Number (85 vs 34), while Selenium (Se) has a higher Boiling Point (958 vs 610 K).

Atomic Properties

85
Atomic Number
34
210
Atomic Mass
79
6
Period
4
17
Group
16

Physical Properties

6
Density
5
575
Melting Point
494
610
Boiling Point
958
N/A
Molar Heat Capacity
25

Chemical Properties

2
Electronegativity
3
233
Electron Affinity
195

Similar Comparisons to Astatine (At) vs Selenium (Se)

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