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5.29 × 10 −11 m (52.9 pm) ... the Bohr radius is the value of the radial coordinate for which the radial probability density of the electron position is highest.
Just as atomic units are given in terms of the atomic mass unit (approximately the proton mass), the physically appropriate unit of length here is the Bohr radius, which is the radius of a hydrogen atom. The Bohr radius is consequently known as the "atomic unit of length". It is often denoted by a 0 and is approximately 53 pm. Hence, the values ...
Under most definitions the radii of isolated neutral atoms range between 30 and 300 pm (trillionths of a meter), or between 0.3 and 3 ångströms. Therefore, the radius of an atom is more than 10,000 times the radius of its nucleus (1–10 fm), [2] and less than 1/1000 of the wavelength of visible light (400–700 nm).
It is generally considered the average length for a carbon–carbon single bond, but is also the largest bond length that exists for ordinary carbon covalent bonds. Since one atomic unit of length (i.e., a Bohr radius) is 52.9177 pm, the C–C bond length is 2.91 atomic units, or approximately three Bohr radii long.
Bohr radius: 5.291 772 105 44 (82) × ... While the values of the physical constants are independent of the system of units in use, each uncertainty as stated ...
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53 pm Bohr radius (radius of a hydrogen atom) 10 −10: 100 pm: 100 pm ... 1 pm – reference value of particle displacement in acoustics [64] 2.4 pm ...
3. Keebler Fudge Magic Middles. Neither the chocolate fudge cream inside a shortbread cookie nor versions with peanut butter or chocolate chip crusts survived.