According to 2010 CODATA the Bohr radius has a value of 5.2917721092(17){e|−11} m (i.e., approximately 53 pm or 0.53 angstroms). == Use == In the Bohr model of the structure of an atom, put forward by Niels Bohr in 1913, electrons orbit a central nucleus. The model says that the electrons orbit only at certain distances from the nucleus, dependi... Found on http://en.wikipedia.org/wiki/Bohr_radius
The distance corresponding the mean distance of an electron from the nucleus in the ground state of the hydrogen atom.a0 = 5.291772x10-11 mttle='Bohr Radius';consttxt='a0';constval=5.291772e-11;constunt='m';The Bohr model of atoms states:An electron moves around the nucleus in a circular orbit under the influence of... Found on https://www.encyclo.co.uk/local/20687