Glossary

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mole: That chemical amount of a substanceA material that is either an element or that has a fixed ratio of elements in its chemical formula. containing the same number of units as 12 g of carbon-12.

Term of the Day

The extent to which a species in solutionA mixture of one or more substances dissolved in a solvent to give a homogeneous mixture. ionizes. Often applied to the ionizationA process in which an atom, molecule, or negative ion loses an electron; a process in which a covalent molecule reacts with a solvent to form positive and negative ions; for example, a weak acid reacting with water to form its conjugate base (an anion) and a hydrogen (hydronium) ion. reactions of acids and bases.