\(\renewcommand\AA{\text{Å}}\)
Fundamental constants¶
periodictable.constants
¶
Various fundamental constants.
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periodictable.constants.
atomic_mass_constant
= 1.660538782e-27¶ atomic mass constant (kg / u)
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periodictable.constants.
avogadro_number
= 6.02214179e+23¶ Avogadro’s number (mol^-1)
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periodictable.constants.
electron_mass
= 0.000548577990946¶ electron mass (u)
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periodictable.constants.
electron_radius
= 2.8179402894e-15¶ electron radius r_e (m)
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periodictable.constants.
electron_volt
= 1.602176487e-19¶ Electron volt (J/eV)
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periodictable.constants.
neutron_mass
= 1.00866491597¶ neutron mass (u)
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periodictable.constants.
plancks_constant
= 4.13566733e-15¶ Planck’s constant (eV s)
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periodictable.constants.
speed_of_light
= 299792458¶ speed of light c (m/s)