Nonmetal: A nonmetal is a substance that conducts heat and electricity poorly, is brittle or waxy or gaseous, and cannot be hammered into sheets or drawn into wire. Nonmetals gain electrons easily to form anions. About 20% of the known chemical elements are nonmetals.

 

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Nonmetal: A nonmetal is a substance that conducts heat and electricity poorly, is brittle or waxy or gaseous, and cannot be hammered into sheets or drawn into wire. Nonmetals gain electrons easily to . . . View Full Definition

Metalloid: An element with both metallic and nonmetallic properties. Examples are silicon, arsenic, and germanium.

Romex: A name brand of nonmetallic sheathed electrical cable that is used for indoor wiring.

Phosphorous: A highly reactive, toxic, nonmetallic element used in steel, glass and pyrotechnics. It is almost always found in combination with other elements such as minerals or metal ores. Found in ste . . . View Full Definition

Carbon: An element with atomic number 6. Carbon is a nonmetal found in all organic compounds. Carbon occurs naturally as diamond, graphite, and buckminsterfullerene.

Anion: An anion is a negatively charged ion. Nonmetals typically form anions.

Bromine (Br): Atomic number: 35, Atomic mass: 79.904 g.mol -1, Electronegativity: 2.8, Density: 3.1 g.cm-3 at 20°C, Melting point: - 7.2 °C, Boiling point: 58.8 °C, Vanderwaals radius: 0.165 nm, Ionic rad . . . View Full Definition

Phosphorus (P): Atomic number: 15, Atomic mass: 30,9738 g.mol -1, Oxidation states: ± 3, 4, 5, Electronegativity: 2,1, Density: 1,82 g/ml at 20°C, Melting point: 44,2 °C, Boiling point: 280 °C, Vanderwaals . . . View Full Definition

Acid Anhydride: Nonmetallic oxides or organic compounds that react with water to form acids. For example, SO2, CO2, P2O5, and SO3 are the acid anhydrides of sulfurous, carbonic, phosphoric, and sulfuric aci . . . View Full Definition