| atomic mass unit (amu) |
1.6605402×10−27kg |
| Avogadro’s number |
6.0221367×1023mol−1 |
| Boltzmann’s constant (k) |
1.380658×10−23JK−1 |
| charge-to-mass ratio for electron (e/me) |
1.75881962×1011Ckg−1 |
| electron charge (e) |
1.60217733×10−19C |
| electron rest mass (me) |
9.1093897×10−31kg |
| Faraday’s constant (F) |
9.6485309×104C mol−1 |
| gas constant (R) |
8.205784×10−2L atm mol−1K−1=8.314510Jmol−1K−1 |
| molar volume of an ideal gas, 1 atm, 0 °C |
22.41409 L mol–1 |
| molar volume of an ideal gas, 1 bar, 0 °C |
22.71108 L mol–1 |
| neutron rest mass (mn) |
1.6749274×10−27kg |
| Planck’s constant (h) |
6.6260755×10−34Js |
| proton rest mass (mp) |
1.6726231×10−27kg |
| Rydberg constant (R) |
1.0973731534×107m−1=2.1798736×10−18J |
| speed of light (in vacuum) (c) |
2.99792458×108ms−1 |
