Physical Constants

ao   Bohr radius             0.5291771x10-10 m
c    speed of light          2.997925x108 m/s
e    electron charge         1.602189x10-19 C
E    permittivity of vacuum  8.854188x10-12 C2/J m
u    permeability of vacuum  1.256637x10-6 H/m
h    Planck's constant       6.626176x10-34 J s
me   electron rest mass      9.109534x10-31 kg
mp   proton rest mass        1.672648x10-27 kg
NA   Avogadro's number       6.022045x1023 /mol

/chem-ed/analytic/constant.htm, updated 9/24/96

Copyright © 1996 by Brian M. Tissue, all rights reserved.

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