1.bohrs radius = ?
2. bohrs theory E = ?
Answers
Answer:
1st answer:
The Bohr radius (a0) is a physical constant, equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state (non-relativistic and with an infinitely heavy proton). 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][note 1].
2nd answer.
In 1913, Niels Bohr proposed a theory for the hydrogen atom based on quantum theory that energy is transferred only in certain well defined quantities. Electrons should move around the nucleus but only in prescribed orbits. When jumping from one orbit to another with lower energy, a light quantum is emitted.
According to Bohr theory, the electronic energy of the hydrogen atom in the nth Bohr orbit is given by. ... Calculate the longest wavelength of light that will be needed to remove an electron from the 3rd orbit of the He+ ion.
Explanation:
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