Definition of formula unit. It is the lowest whole number ratio of ions represented in an ionic compound. Poissons ratio is the ration of two strains.
Definition of formula unit words noun formula unit of an ionic compound that does not form molecules as most salts the chemical formula with the least number of elements out of the set of empirical formulas having the same proportion of ions as elements.
A formula unit is a term used for defining the whole lesser number of ratios of ions in an ionic compound. There are many different standards and types of horsepower. NaCl is the formula unit for the ionic compound sodium chloride. 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.