Chemically, astatine behaves more or less as a halogen, being expected to form ionic astatides with alkali or alkaline metals; it is known to form covalent compounds with nonmetals, including other halogens.
Astatine behaves more or less as a halogen. This is chemically. Astatine was being expected to form ionic astatides with alkali or alkaline metals. This was including other halogens. This was chemically. It is known to form covalent compounds with nonmetals. This was including other halogens. This was chemically.