TABLE OF CONTENTS | Avogadro's constant | N A | 6.022 10 26kmol ?1 |
| Boltzmann's constant | k B | 1.381 10 ?23 J/K |
| Electric permittivity (vacuum) | ? 0 | 1/ ? 0 c 2 0 = 8.854 10 ?12 C 2/(N m 2) |
| Electron charge (absolute value) | e | 1.602 10 ?19 C (coulumb) |
| Electron mass | m e | 9.109 10 ?31 kg |
| Magnetic permeability (vacuum) | ? 0 | 4 ? 10 ?7 N/A 2 (exact) |
| Planck's constant | h | 6.626 10 ?34 J s |
| Proton mass | m p | 1.673 10 ?27kg |
| Speed of light in vacuum | c 0 | 2.998 10 8 m/s (299,792,458 m/s, exact) |
| Standard acceleration of gravity | g n | 9.80665 m/s 2 (exact) |
| Stefan-Boltzmann constant | ?SB | 5.670 10 ?8 W/(m 2 K 4) |
| Universal gas constant | R | 8.314 kJ/(kmol K) |
1 atm = 760 mmHg = 101.325 kPa (standard atmosphere, exact)
1 eV = 1.602 10 ?19 J (electron volt)
| Power | 10 ?21 | 10 ?18 | 10 ?15 | 10 ?12 | 10 ?9 | 10 0 | 10 9 | 10 12 | 10 15 | 10 18 | 10 21 |
| Prefix | zepto | atto | femto | pico | nano |
| giga | tera | peta | exa | zetta |
| Symbol | z | a | f | p | n |
| G | T | P | E | Z |
| Reference: http://physics.nist.gov/cuu/index.html |
