| Speed of light |
c |
$3\times{10}^{8}$ m/s |
| Planck constant |
h |
$6.63\times{10}^{-34}$ J s |
| |
hc |
1242 ev-nm |
| Gravitation constant |
G |
$6.67\times{10}^{-11}$ m3kg-1 s-2 |
| Boltzmann constant |
k |
$1.38\times{10}^{-23}$ J/K |
| Molar gas constant |
R |
8.314 J/(mol-K) |
| Avogadro's number |
NA |
$6.023\times{10}^{23}$ mol-1 |
| Charge of electron |
e |
$1.602\times{10}^{-19}$ C |
| Permeability of vacuum |
$\mu_0$ |
$4\pi\times{10}^{-7}$ N/A2 |
| Permitivity of vacuum |
$\epsilon_0$ |
$8.85\times{10}^{-12}$ F/m |
| Coulomb constant |
$\frac{1}{4\pi\epsilon_0}$ |
$9\times{10}^{9}$ N m2/C2 |
| Faraday constant |
F |
96485 C/mol |
| Mass of electron |
$m_e$ |
$9.1\times{10}^{-31}$ kg |
| Mass of proton |
$m_p$ |
$1.6726\times{10}^{-27}$ kg |
| Mass of neutron |
$m_n$ |
$1.6749\times{10}^{-27}$ kg |
| Atomic mass unit |
u |
$1.66\times{10}^{-27}$ kg |
| Atomic mass unit |
u |
931.49 MeV/c2 |
| Stefan-Boltzmann constant |
$\sigma$ |
$5.67\times 10^{-8}$ W/(m2 K4) |
| Rydberg constant |
$R_\infty$ |
$1.097\times{10}^{7}$ m-1 |
| Bohr magneton |
$\mu_B$ |
$9.27\times{10}^{-24}$ J/T |
| Bohr radius |
$a_0$ |
$0.529\times{10}^{-10}$ m |
| Standard atmosphere |
atm |
$1.01325\times{10}^{5}$ Pa |
| Wien displacement constant |
b |
$2.9\times{10}^{-3}$ m K |
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