Fundamental Physical Constants

Name and Symbol Value
atomic mass unit (amu)
1.6605402×1027kg1.6605402 \times {10}^{-27}\text{kg}
Avogadro’s number
6.0221367×1023mol16.0221367 \times {10}^{23}{\text{mol}}^{-1}
Boltzmann’s constant (k)
1.380658×1023JK11.380658 \times {10}^{-23}\text{J}{\text{K}}^{-1}
charge-to-mass ratio for electron (e/me)
1.75881962×1011Ckg11.75881962 \times {10}^{11}\text{C}{\text{kg}}^{-1}
electron charge (e)
1.60217733×1019C1.60217733 \times {10}^{-19}\text{C}
electron rest mass (me)
9.1093897×1031kg9.1093897 \times {10}^{-31}\text{kg}
Faraday’s constant (F)
9.6485309×104C mol19.6485309 \times {10}^{4}{\text{C mol}}^{-1}
gas constant (R)
8.205784×102L atm mol1K1=8.314510Jmol1K18.205784 \times {10}^{-2}\text{L atm mol}^{-1}{\text{K}}^{-1}=8.314510\text{J}{\text{mol}}^{-1}{\text{K}}^{-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)
1.6749274×1027kg1.6749274 \times {10}^{-27}\text{kg}
Planck’s constant (h)
6.6260755×1034Js6.6260755 \times {10}^{-34}\text{J}\text{s}
proton rest mass (mp)
1.6726231×1027kg1.6726231 \times {10}^{-27}\text{kg}
Rydberg constant (R)
1.0973731534×107m1=2.1798736×1018J1.0973731534 \times {10}^{7}{\text{m}}^{-1}=2.1798736 \times {10}^{-18}\text{J}
speed of light (in vacuum) (c)
2.99792458×108ms12.99792458 \times {10}^{8}\text{m}{\text{s}}^{-1}

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