Name and Symbol Value atomic mass unit (amu) NaN Avogadro’s number NaN Boltzmann’s constant (k) NaN charge-to-mass ratio for electron (e/me) NaN electron charge (e) NaN electron rest mass (me) NaN Faraday’s constant (F) NaN gas constant (R) NaN molar volume of an ideal gas, 1 atm, 0 °C 22.41409 L mol–1 molar volume of an ideal gas, 1 bar, 0 °C 22.71108 L mol–1 neutron rest mass (mn) NaN Planck’s constant (h) NaN proton rest mass (mp) NaN Rydberg constant (R) NaN speed of light (in vacuum) (c) NaN CC licensed content, Shared previously Chemistry. Provided by : OpenStax College. Located at : http://openstaxcollege.org . License : CC BY: Attribution . License Terms : Download for free at https://openstaxcollege.org/textbooks/chemistry/get