The Bohr radius () is a physical constant, approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.29177210903(80)×10−11 m.[1][2]
^"2018 CODATA Value: Bohr radius". The NIST Reference on Constants, Units, and Uncertainty. NIST. 20 May 2019. Retrieved 2019-05-20.
^The number in parentheses denotes the uncertainty of the last digits.
The Bohrradius ( a 0 {\displaystyle a_{0}} ) is a physical constant, approximately equal to the most probable distance between the nucleus and the electron...
In atomic physics, the Bohr model or Rutherford–Bohr model of the atom, presented by Niels Bohr and Ernest Rutherford in 1913, consists of a small, dense...
Metallic radius: the nominal radius of atoms of an element when joined to other atoms by metallic bonds.[citation needed] Bohrradius: the radius of the...
This involved measuring the frequency of oscillation of the radius of a water jet. Bohr conducted a series of experiments using his father's laboratory...
Electron magnetic moment Bohrradius Nuclear magneton Parson magneton Physical constant Zeeman effect "2018 CODATA Value: Bohr magneton". The NIST Reference...
of length in this system is the radius of the first Bohr orbit and their velocity is the electron velocity in Bohr's model of the first orbit. In 1959...
where a 0 {\displaystyle a_{0}} is the Bohrradius and r 0 {\displaystyle r_{0}} is the classical electron radius. If this were true, all atoms would instantly...
the Bohrradius above one finds that the radius shrinks by 22%. If one substitutes the "relativistic mass" into the equation for the Bohrradius it can...
{\displaystyle r=n^{2}a_{0},\!} where a0, called the Bohrradius, is equal to 0.0529 nm. The Bohrradius is the radius of the smallest allowed orbit. The energy...
radius. The last expression in the first equation shows that the wavelength of light needed to ionize a hydrogen atom is 4π/α times the Bohrradius of...
is one of a trio of related scales of length, the other two being the Bohrradius a 0 {\displaystyle a_{0}} and the reduced Compton wavelength of the electron...
eponym of the topics listed below. Bohr magneton Bohr model Bohr model of the chemical bond Bohr orbital BohrradiusBohr's frequency condition Bohrium, the...
land surveys done for the government. Astronomical measure uses: Earth radius R🜨 ≈ 6,371 km Lunar distance LD ≈ 384402 km. Average distance between the...
muonium exotic atom. The equation must be modified based on the system's Bohrradius; emissions will be of a similar character but at a different range of...
Wannier exciton has an energy and radius associated with it, called exciton Rydberg energy and exciton Bohrradius respectively. For the energy, we have...
similar to atomic hydrogen ( p+ e− ) than positronium ( e+ e− ). Its Bohrradius and ionization energy are within 0.5% of hydrogen, deuterium, and tritium...
semiconductor nanocrystals. The radius limit of occurrence of the semiconductor nanocrystal is the effective Bohrradius of the nanocrystal. The conduction...
{Z^{2}e^{4}m_{0}}{2\hbar ^{2}n^{2}}},} where a B {\displaystyle a_{B}} is the Bohrradius. This discrete energy spectrum resulted from the solution of the quantum...
atomic radius of hydrogen was published by physicist Arthur Haas in 1910 to within an order of magnitude (a factor of 10) of the accepted value, the Bohr radius...
the donor ion within the semiconductor material at approximately the bohrradius. This is in contrast to deep level donors where the short range potential...
zeptoseconds (light would travel 16.26 picometers, or approximately 0.31 × Bohrradius), and 264 seconds is about 585 billion years. David L. Mills (12 December...
constants above. In a semiconductor crystallite whose radius is smaller than the size of its exciton Bohrradius, the excitons are squeezed, leading to quantum...
Introduction to Astronomy. University Science Books. ISBN 978-0-935702-05-7. "BohrRadius -- from Eric Weisstein's World of Physics". scienceworld.wolfram.com...
recast by inserting the Rydberg energy Ry{\displaystyle {\text{Ry}}} and Bohrradius a0{\displaystyle a_{0}} f12=E2−E13Ry∑α=x,y,z|⟨1m1|Rα|2m2⟩|2a02.{\displaystyle...
Global Information