The Magical Negro is a trope created by white people; the character is typically but not always in some way outwardly or inwardly disabled, either by discrimination, disability or social constraint, often a janitor or prisoner. The character often has no past but simply appears one day to help the white protagonist.
Product Definition: A product is a substance that is formed as the result of a chemical reaction. Examples: AgCl (s) is the product of the reaction Ag + (aq) + Cl - (aq) â AgCl (s). By Anne Marie Helmenstine, Ph.D.
Chemistry: A Definition. Chemistry is the study of matter, including its composition, properties, and structure, how it changes, and how it interacts with energy. This is a pretty simple definition that sums up what is actually a complex and fascinating subject.