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.
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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: