Formula unit: Difference between revisions
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Ionic compounds do not exist as individual [[molecules]]; a formula unit thus indicates the lowest reduced ratio of ions in the compound |
Ionic compounds do not exist as individual [[molecules]]; a formula unit thus indicates the lowest reduced ratio of ions in the compound |
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A '''chemical formula''' shows the kinds and numbers of [[atoms]] in the smallest representative unit of a substance. |
A '''chemical formula''' shows the kinds and numbers of [[atoms]] in the smallest representative unit of a substance. Dave smells bad |
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{{DEFAULTSORT:Formula Unit}} |
{{DEFAULTSORT:Formula Unit}} |
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Revision as of 21:24, 9 June 2012
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A 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 whole number 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).
Ionic compounds do not exist as individual molecules; a formula unit thus indicates the lowest reduced ratio of ions in the compound
A chemical formula shows the kinds and numbers of atoms in the smallest representative unit of a substance. Dave smells bad
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