What State Of Matter Is Astatine?
What State Of Matter Is Astatine? Room temperature is usually taken as being 25°C. At this temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. What state is astatine At room temperature? Astatine should have a melting point of about 300°C and a boiling point of about 340°C.