SOME IMPORTANT PHYSICAL CONSTANTS
| Constante | Símbolo | Valor |
| Velocity of light (vacuum) | c | 2.99792 x 108 ms-1 |
| Planck's Constant | h | 6.62608 x 10-34 J s |
| Avogadro's Number | N | 6.022137 x 1023 partículas mol-1 |
| Faraday's Constant | F | 96485.31 C mol-1 |
| Gas constant | R | 8.31451 J K-1 mol-1 0.0820578 L atm K-1 mol-1 |
| Boltzmann's Constant | k | 1.38066 x 10-23 J K-1 |
| Electron rest mass | me | 9.10939 x 10-31 kg |
| Electron charge | e | -1.602177 x 10-19 C |