The numerical multiplier (or multiplying affix) in IUPAC nomenclature indicates how many particular atoms or functional groups are attached at a particular...

vigesimal, quadrovigesimal, duotrigesimal, sexagesimal, octogesimal IUPAC numerical multiplier List of numbers List of numeral systems List of commonly used...

compound followed by a numerical prefix and -hydrate. The numerical prefixes used are listed below (see IUPAC numerical multiplier): mono- di- tri- tetra-...

nomenclature of organic chemistry IUPAC numerical multiplier List of chemical compounds with unusual names Preferred IUPAC name "1958 (A: Hydrocarbons, and B:...

In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommended by the International...

protein". Peptides of specific shorter lengths are named using IUPAC numerical multiplier prefixes: A monopeptide has one amino acid (not alone but combined...

School (disambiguation), the name of several schools -bis, an IUPAC numerical multiplier for compound or complex features, meaning 2 A colloquial name...

the former (a = 365.2425 days), also noted in the IUPAC Gold Book. In 2011, a task group of IUPAC and IUGS recommended the use of a as the symbol for...

sequenced. The proportions are specified by di-, tri-, etc. (See IUPAC numerical multiplier.) Where there are known to be complex cations or anions these...

suffix -ane to the appropriate numerical multiplier prefix with elision of any terminal vowel (-a or -o) from the basic numerical term. Hence, pentane, C5H12;...

number of particles in a mole is the Avogadro number (symbol N0) and the numerical value of the Avogadro constant (symbol NA) expressed in mol−1. The relationship...

Silanes are named by adding the suffix -silane to the appropriate numerical multiplier prefix. Hence, disilane, Si2H6; trisilane Si3H8; tetrasilane Si4H10;...

such as ionic salts) are commonly used as synonyms of molar mass, as the numerical values are identical (for all practical purposes), differing only in units...

PMID 31041379. "Table 11 Basic numerical terms (multiplying affixes)". IUPAC. Retrieved 2011-02-16. "Footnote for Table 11". IUPAC. Retrieved 2011-02-16. Icosane...

nitrogen atoms are named by adding the suffix -azane to the appropriate numerical multiplier prefix. Hence, triazane, N 3H 5; tetrazane or tetraazane, N 4H 6;...

been deprecated in favour of Arabic numerals. They are also used in the IUPAC nomenclature of inorganic chemistry, for the oxidation number of cations...

same category can be expressed in terms of this unit, multiplied by a number called the numerical value. For example, if we write the wavelength is λ =...

Lagrange multipliers. The most important constraint and usually the constraint sufficient to characterize a system exhibit the largest Lagrange multiplier. The...

IUPAC, Compendium of Chemical Terminology, 5th ed. (the "Gold Book") (2025). Online version: (2006–) "Extinction". doi:10.1351/goldbook.E02293 IUPAC,...

is Maxwell's description of a physical quantity as the product of a "numerical value" and a "reference quantity" (i.e. a "unit quantity" or a "unit of...

links Absolute electrode potential In electrochemistry, according to an IUPAC definition, is the electrode potential of a metal measured with respect...

Chemistry (IUPAC) has published a "Comprehensive definition of oxidation state (IUPAC Recommendations 2016)". It is a distillation of an IUPAC technical...

(SI) in such a way that the constant was exactly 1 g/mol, which made the numerical value of the molar mass of a substance, in grams per mole, equal to the...

energy Electronegativity Ionization energy Electron affinity Lattice energy IUPAC, Compendium of Chemical Terminology, 5th ed. (the "Gold Book") (2025). Online...

: 393  This definition evolved from one given by IUPAC in 1997. In the same 2012 publication, the IUPAC extends the term to include tubes and fibers with...

divided by equivalent weight, which was the numerical factor by which the mass of precipitate had to be multiplied to obtain the mass of analyte. For example...

amount fraction by the International Union of Pure and Applied Chemistry (IUPAC) and amount-of-substance fraction by the U.S. National Institute of Standards...

Conference on Weights and Measures. Retrieved 11 October 2012. IUPAC Gold Book. IUPAC – mole (M03980). International Union of Pure and Applied Chemistry...

η {\displaystyle \eta } ) is also used by chemists, physicists, and the IUPAC. The viscosity μ {\displaystyle \mu } is sometimes also called the shear...

deuterium (2H). The Kendrick mass is a mass obtained by multiplying the measured mass by a numeric factor. The Kendrick mass is used to aid in the identification...