Complete the passage. strength flavor chemical structure odor threshold flavorant arrangement A substance...

Complete the passage.
strength flavor chemical structure odor threshold flavorant arrangement
A substance that is used to change or enhance a food's flavor is called a ________. As with all substances, a flavorant's ________, or the number, types, and ________ of atoms in each molecule of the flavorant, determines its properties. One of these properties is ________, which is the combined odor and taste of the flavorant. Another property is ________, which is the smallest concentration of the flavorant that the human nose can detect. A flavorant's odor threshold is related to the ________ of its flavor at a given concentration.
How are substances represented by chemical formulas and models?