Appendix B

Values of Fundamental Physical Constants

Quantity Symbol Value
Elementary charge e 1.60217(6) × 10−19 C
Electric constant εo 8.85418(8) × 10−12 F m−1
Magnetic constant μo 4π × 10−7 N A−2
Speed of light in vacuum c 2.99792(4) × 108 m s−1
Planck constant h 6.62606(9) × 10−34 J s
Rest mass of electron me 9.10938(2) × 10−31 kg
Rest mass of proton mp 1.67262(2) × 10−27 kg
Boltzmann constant k 1.60217(6) × 10−23 J K−1
Avogadro constant NA 6.02214(2) × 1023 mol−1
Faraday constant F 9.64853(4) × 104 C mol−1
Molar gas constant R 8.31447(2) J K−1 mol−1