Period 3 element phosphorus originates from oxidation of the white (but not red) phosphorus and should be called chemiluminescence. It is also the lightest element to easily produce stable exceptions to the octet rule. The vast majority of phosphorus compounds are consumed as fertilizers. Other applications include the role of organophosphorus compounds in detergents, pesticides and nerve agents, and matches. "Sulfur" (symbol S) is an abundant, multivalentnon-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S. Elemental sulfur is a bright yellow crystalline solid when at room temperature. Chemically, sulfur can react as either an oxidant or reducing agent.
Red-violet displayed at the right. "Violet-red", a bright tone of red-violet, has been a Crayola color since 1958. Red-purple is the color that is called "Rojo-Purpura" (the Spanish word for "red-purple") in the "Guía de coloraciones" ("Guide to colorations") by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm. Although "red-purple" is a seldom used color name in English, in Spanish it is regarded one of the major tones of purple. The color blush is displayed at the right. The first recorded use of "blush" as a color name in