Astatine () iku unsur kimia radioaktif kanthi simbul At lan nomer atom 85. Unsur iki minangka halogin kang paling abot.

Rujukan

Pranala njaba 

 WebElements.com - Astatine
 Los Alamos National Laboratory - Astatine 
 Doc Brown's Chemistry Clinic - Group 7 The Halogens

Unsur kimia
Halogin
Astatin