universal electromagnetic atomic and nuclear physico-chemical


universal constants
c speed of light in vacuum
m·s−1
G Newtonian constant of gravitation
m3 ·kg-1·s-2
h Planck constant
J·s
reduced Planck constant
J·s

electromagnetic constants
μ0 magnetic constant (vacuum permeability)
N·A−2
ε0 electric constant (vacuum permittivity)
F·m−1
Z0 characteristic impedance of vacuum
Ω
ke Coulomb's constant
N·m2·C-2
e elementary charge
C
μB Bohr magneton
J·T-1
G0 conductance quantum
S
G0-1 inverse conductance quantum
Ω
KJ Josephson constant
Hz·V-1
Φ0 magnetic flux quantum
Wb
μN nuclear magneton
J·T-1
RK von Klitzing constant
Ω

atomic and nuclear constants
a0 Bohr radius
m
re classical electron radius
m
me electron mass
kg
GF/(ℏc)3 Fermi coupling constant
GeV-2
α fine-structure constant
Eh Hartree energy
J
mp proton mass
kg
h/2me quantum of circulation
m2 s-1
R Rydberg constant
m-1
(8π / 3)re2 Thomson cross section
m2
sin2θw weak mixing angle

physico-chemical constants
mu Atomic mass constant
kg
NA,L Avogadro's number
mol−1
k Boltzmann constant
J·K−1
F Faraday constant
C·mol-1
c1 first radiation constant
W·m2
c1L first radiation constant (for spectral radiance)
W·m2 sr-1
n0 Loschmidt constant
m-3
at T = 273.15 K and p = 101.325 kPa
R gas constant
J·K−1·mol−1
NAh molar Planck constant
J·s·mol-1
Vm molar volume of an ideal gas
m3·mol−1
at T = 273.15 K and p = 100 kPa
Vm molar volume of an ideal gas
m3·mol−1
at T = 273.15 K and p = 101.325 kPa
S0/R Sackur-Tetrode constant

at T = 1 K and p = 100 kPa
S0/R Sackur-Tetrode constant

at T = 1 K and p = 101.325 kPa
c2 second radiation constant
m·K
σ Stefan–Boltzmann constant
W·m-2·K−4
b Wien displacement law constant
m·K