Physical Constants
atomic mass constant Avogadro constant Bohr magneton Bohr radius Boltzmann constant electron rest mass elementary charge Faraday constant fine structure constant \(\alpha\)gas constant gravitational constant Hartree energy neutron rest mass nuclear magneton permeability of vacuum \(\mu_{0}\)permittivity of vacuum Planck constant proton magnetic moment proton rest mass radiation constants Rydberg constant speed of light in a vacuum Stefan–Boltzmann constant