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Formula unitA formula unit in chemistry is the empirical formula of an ionic or covalent network solid compound used as an independent entity for stoichiometric calculations. It is the lowest ratio of ions represented in an ionic compound. Examples include ionic NaCl and K2O and covalent networks such as SiO2 and C (as diamond or graphite). Additional recommended knowledgeIonic compounds do not exist as individual molecules; a formula unit thus indicates the lowest reduced ratio of ions in the compound. A formula unit shows the kinds and numbers of atoms in the smallest representative unit of a substance. |
| This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Formula_unit". A list of authors is available in Wikipedia. |
