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At
Astatine
#85 · I-Reactive Nonmetal
| I-Mass | 209.98715 u |
| Uxinano | 7.0 g/cm³ |
| Uthuthu | 575.0 K |
| Ukomisa | 610.0 K |
| Electronegativity | 2.2 |
| Ionization energy | 899.0 kJ/mol |
| Atomic radius: | 150.0 pm |
| I-Block | p- iblock |
| Ilizwe (RT) | I-Solid |
| Qwalasela | [Xe] 4f14 5d10 6s2 6p5 |