Questions Remaining: 14


Question # 1

Astatine is the element below iodine in group.VII of the periodic table.which one of the following predictions about chemistry of astatine and its compounds id likelyto be correct

Asfatine is a solid at room temperature

Asfatine is more reactive than iodine

Hydrogen astatide is a weak acid

Hydrogen astatide is thermally stable