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Alphabetical Index

Additional Indexes

Physical Constants Units of Measurement Physical Quantities SI Prefixes Ring Index General Formulae Exact Formulae Source Documents Terms by IUPAC Division Terms by Organization

Version 5.0.0 (14588 Terms)

DOI: 10.1351/goldbook

Jan Kaiser - Content Editor
Stuart J. Chalk - Technical Editor
Joint Subcommittee
on the IUPAC Gold Book

Terms (371) sourced from: https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf

"IUPAC Quantities, Units and Symbols in Physical Chemistry", , 1993,

absolute activity absorbance (\(A,A_{10},A_{\rm{e}}\))absorptance (\(\alpha\))absorption coefficient absorption cross-section (\(\sigma\))absorption intensity acceleration (\(a\))activation energy activity of a radioactive material activity in thermodynamics affinity of reaction amount concentration amount fraction (\(y,x\ (\rm{s/l})\))amount of substance amount-of-substance concentration amount-of-substance fraction ampere angle angle of optical rotation angular frequency (\(\omega\))angular momentum (\(L\))anode atmosphere atomic mass (\(m_{\rm{a}}\))atomic number (\(Z\))atomic orbital (\(\psi,\varphi,\chi\))attenuance attenuation coefficient atto α-particle

bar barn becquerel bohr bond order (\(p_{\rm{rs}}\))β-particle

Celsius temperature (\(t,\theta\))calorie candela capacitance (\(C\)) of a plate capacitor cathode centi charge density (\(\rho\))charge number (\(z\)) in general charge number (\(n,\nu_{\rm{e}},z\)) of a cell reaction chemical potential (\(\mu_{\rm{B}}\))chemical reaction equation clausius collision cross-section collision density collision diameter (\(d\))collision frequency collision number compression factor concentration conductivity (\(\sigma \))coulomb (\(\rm{C}\))coulomb integral curie

dalton day debye deca decay constant deci decibel degeneracy degree of arc degree Celsius degree Fahrenheit degree of dissociation degree of ionization degree of reaction density density of states deuteron dielectric polarization diffusion coefficient dimensionless quantities dipole length disintegration energy (\(Q\))dissociation energy (\(D,E_{\rm{d}}\))dose equivalent (\(H\))dynamic viscosity (\(\eta\))dyne

electric charge (\(Q\))electric conductance (\(G\))electric current electric current density electric dipole moment electric displacement electric field electric mobility (\(\mu ,u\))electric polarizability (\(\alpha\))electric potential (\(V\))electric resistance electrochemical potential electrode potential (\(E\))electrokinetic potential (\(\zeta\))electromotive force electron electron affinity electronegativity electronvolt elementary charge emittance energy enthalpy (\(H\))enthalpy of activation entropy entropy unit equilibrium constant equilibrium distance in a molecule erg exa extensive quantity extent of reaction

farad femto fermi field level flow rate of a quantity fluence fluidity flux of a quantity foot force fraction franklin frequency fugacity fugacity coefficient

Galvani potential difference Gibbs energy gauss giga gram gray

Helmholtz energy half life hamiltonian operator hartree heat heat capacity heat flux hecto helion henry hertz hour

illuminance impact parameter impedance inch inertial defect inner electric potential intensity intensive quantity internal absorptance internal energy ionic strength ionization energy

joule

kelvin kilo kilogram kinematic viscosity kinetic energy

length level level width line width linear strain litre lumen luminous flux luminous intensity (\(I_{\rm{v}}\))luminous quantities lux

magnetic field strength magnetic flux magnetic flux density magnetic moment magnetic susceptibility (\(\chi\))magnetizability magnetogyric ratio mass mass concentration mass excess mass fraction mass number mean free path mega metre micro milli minute of arc mobility modulus of elasticity molality molar molar refraction molarity mole molecular orbital moment of a force (\(M\))moment of inertia (\(I\))momentum muonium mutual inductance

nano neper neutrino neutron neutron number (\(N\))newton normal stress (\(\sigma\))nucleon number number concentration (\(C,n\))number density (\(n\))number of entities (\(N\))ångström

ohm optical rotatory power orbital energy order of reaction (\(n\))oscillator strength (\(f_{ij}\))osmotic coefficient (\(\phi\))osmotic pressure (\(\mathit{\Pi}\))outer electric potential (\(\psi\))overlap integral (\(S_{\rm{rs}}\))overpotential (\(\eta\))

partial molar quantity partition function pascal percent period permeability permeability of vacuum permittivity permittivity of vacuum peta photon photon quantities physical quantity pico poise positronium potential energy (\(V,E_{\rm{p}}\))power (\(P\))power level pre-exponential factor (\(A\))pressure (\(p\))principal moments of inertia probability (\(P\))probability density proton

quantity calculus

rad radian radiant energy radiant energy density radiant quantities radioactivity rate of conversion (\(\dot{\xi}\))reactance reduced mass refractive index relative atomic mass relative density relative molar mass relative molecular mass relative permeability relative permittivity relaxation time rem resistivity (\(\rho\))resolution in optical spectroscopy resolving power (\(R\)) in optical spectroscopy resonance integral (\(H_{\rm{rs}}\))rotational constants rotational term röntgen

SI second second of arc sedimentation coefficient self inductance shear modulus shear strain shear stress shielding constant siemens sievert solid angle specific in quantities specific surface area in surface chemistry spectral quantities speed speed distribution function (\(F(c)\))spin–orbit coupling constant (\(A\))spin–spin coupling constant (\(J_{\rm{AB}}\))standard Gibbs energy of activation (\(\Delta^{\ddagger} G,\Delta^{\ddagger} G^{\circ}\))standard atomic weights standard chemical potential standard concentration standard electrode potential (\(E^{\circ}\))standard electromotive force standard entropy of activation (\(\Delta^{\ddagger} S^{\circ},\Delta^{\ddagger} S\))standard equilibrium constant (\(K^{\circ},K\))standard molality (\(m^{\circ},m^{⦵}\))standard potential of an electrode reaction standard potential of the reaction in a chemical cell standard pressure standard reaction quantities standard state standard thermodynamic quantities steradian stoichiometric number (\(\nu\))stokes surface amount (\(n^{\rm{a}},n^{\rm{s}}\))surface charge density (\(\sigma\))surface concentration (\(\mathit{\Gamma}\))surface coverage surface density surface electric potential surface excess surface excess concentration surface pressure surface tension symmetry number

temperature tera term (\(T\))term symbols tesla thermal conductance (\(G\))thermal conductivity (\(\lambda\))thermal resistance (\(R\))thermodynamic temperature (\(T\))threshold energy (\(E_{0}\))time (\(t\))tonne torque (\(T\))torr transition wavenumber (\(\tilde{\nu}\))transmittance (\(\tau,T\))transport number (\(t\))

unified atomic mass unit

velocity (\(c,v\))vibrational term (\(G\))virial coefficients volt volume fraction volume of activation volume strain

watt wavefunction wavelength wavenumber weber weight (\(G\))work (\(W,w\))

x unit

yard year yocto yotta

zepto zetta

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