IUPAC
>
Gold Book
>
math/physics
>
physical constants
Indexes
alphabetical
chemistry
math/physics
general
source documents
Download
Gold Book PDF
FAQ
about
sitemap
Physical constants - definitions
Symbols
used
Definition
atomic mass constant
Avogadro constant
Bohr magneton
Bohr radius
Boltzmann constant
electron rest mass
elementary charge
Faraday constant
fine structure constant,
gas constant
gravitational constant
Hartree energy
neutron rest mass
nuclear magneton
permeability of vacuum,
permittivity of vacuum
in
Planck constant
in
Planck constant
proton magnetic moment
proton rest mass
in
radiation constants
in
radiation constants
Rydberg constant
speed of light in a vacuum
Stefan–Boltzmann constant