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Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...Tb, chemical symbol
(Encyclopedia)Tb, symbol for the element terbium. ...sulphur, chemical element
(Encyclopedia)sulphur: see sulfur.Si, chemical symbol
(Encyclopedia)Si, symbol for the element silicon. ...Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...salt, chemical compound
(Encyclopedia)salt, chemical compound (other than water) formed by a chemical reaction between an acid and a base (see acids and bases). Salts are also prepared by methods other than neutralization. A metal can c...Cd, chemical symbol
(Encyclopedia)Cd, symbol for the element cadmium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...formula, in mathematics and physics
(Encyclopedia)formula, in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their relationship is indicated ...algebra
(Encyclopedia)algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains much of its pow...Browse by Subject
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