This element forms a namesake cycle with sulfur whose net reactant is water and net products are hydrogen gas and oxygen gas.
This element forms a namesake cycle with sulfur whose net reactant is water and net products are hydrogen gas and oxygen gas. A hormone that includes this element is thyroxine (thy-ROX-een), which loses one atom of this element to yield its active form. Preparations of this element include Lugol's solution, and its presence in the diet prevents goiter. For 10 points, name this halogen often used as a test for starch and in a disinfecting agent, which on the periodic table appears below bromine but above astatine.
This element forms a namesake cycle with sulfur whose net reactant is water and net products are hydrogen gas and oxygen gas.
iodine