| Fundamental Physical Constants | |
|---|---|
| Name and Symbol | Value |
| atomic mass unit (amu) | 1.6605402 × 10−27 kg |
| Avogadro’s number | 6.0221367 × 1023 mol−1 |
| electron charge (e) | 1.60217733 × 10−19 C |
| electron rest mass (me) | 9.1093897 × 10−31 kg |
| neutron rest mass (mn) | 1.6749274 × 10−27 kg |
| Planck’s constant (h) | 6.6260755 × 10−34 J s |
| proton rest mass (mp) | 1.6726231 × 10−27 kg |
| Rydberg constant (R) | 1.0973731534 × 107 m−1 = 2.1798736 × 10−18 J |
| speed of light (in vacuum) (c) | 2.99792458 × 108 m s−1 |
