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Avogadro constant Avogadro constant	Boltzmann constant Boltzmann constant
electron mass electron mass	elementary charge elementary charge
elementary charge over h elementary charge over h
Faraday constant Faraday constant
fine-structure constant fine-structure constant
inverse fine-structure constant inverse fine-structure constant
magnetic flux quantum magnetic flux quantum
molar gas constant molar gas constant	molar Planck constant times c molar Planck constant times c
Newtonian constant of gravitation Newtonian constant of gravitation	permeability of vacuum permeability of vacuum
permittivity of vacuum permittivity of vacuum	Planck constant Planck constant
Planck constant over 2 pi Planck constant over 2 pi	proton mass proton mass
proton-electron mass ratio proton-electron mass ratio	Rydberg constant Rydberg constant
Rydberg constant times c in Hz Rydberg constant times c in Hz	Selected Physical Constants Useful in Chemistry Selected Physical Constants Useful in Chemistry
Some Notes on Avogadro"s Number history of the number, 6.02 times 10 to the 23rd, that is used to calculate the value of the number of atoms, molecules, etc. in a gram mole of any chemical substance.	speed of light in vacuum speed of light in vacuum
Stefan-Boltzmann constant Stefan-Boltzmann constant