Isotopes

Astatine has many isotopes, all of which are radioactive and none are naturally occurring.

Isotope Half-life
At196 .3s
At197 .35s
At198 5s
At199 7.1s
At200 43s
At201 1.48s
At202 3.02ms
At203 7.4ms
At204 9.1ms
At205 26ms
At206 29.9ms
At207 1.81h
At208 1.63h
At209 5.4h
At210 8.1h
At211 7.21h
At212 .314s
At213 .11ųs
At214 .56ųs
At215 .10ms
At216 .30ms
At217 32ms
At218 1.6s
At219 50s
At220 3.17ms