September 13 2012
Quantum numbers have the following restrictions:
• is any positive integer.
• ranges from 0 to .
• ranges from to .
• can be either +1/2 or 1/2.
The Bohr Equation:
The Bohr equation states that the energy of an electron in a particular orbit is given by
E n 2
R = 1.097×10 7 (the Rydberg constant)
h = 6.626×10 (Planck's constant)
c = 2.998×10 (the speed of light in a vacuum)
and n is the electron configuration number
The Energy-Wavelength Relationship:
The energy of the photon emitted by the electron is related to its wavelength by
where λ is the wavelength in meters. The Photoelectric