Fundamental Physical Constant

Fundamental Physical Constants

(Quantity – Symbol – Value)

Planck constant – h – 6.62 × 10-34J.s

Atomic mass constant – u – 1.66 × 10−27 kg

Avogadro’s number – N – 6.022 × 1023 ·mol−1

Boltzmann constant – k – 1.38 × 10−23 J·K−1

Molar gas constant – R – 8.314 J·K−1 mol−1

Speed of light – c – 2.99 × 108 m / s

Charge of electron – e – 1.60× 10−19 C

Coulomb constant – K – 8.98× 109 N m2 C−2

Proton mass – mp – 1.67 × 10−27 kg

Neutron mass – mn – 1.67 × 10−27 kg

Electron mass – me – 9.11 × 10−31 kg

Acceleration due to gravity at Earth’s surface – g – 9.8 m/s2

Newtonian constant of gravitation – G – 6.67 × 10−11 m3 kg−1 s−2

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