Physics constants are physical quantities with fixed numerical values. The following list contains the most common physics constants, including Avogadro’s number, Boltzmann’s constant, the mass of electron, the mass of a proton, the speed of light, the gravitational constant, and the gas constant.

  • Avogadro’s number:

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  • Boltzmann’s constant:

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  • Mass of electron:

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  • Mass of proton:

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  • Speed of light:

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  • Gravitational constant:

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  • Gas constant:

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