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Definition of Formula unit

Formula unit Definition from Science & Technology Dictionaries & Glossaries
General Chemistry Glossary
Compare with empirical formula .One formula weight of a compound.
Formula unit Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
A formula unit in chemistry is the empirical formula of any 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).

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