-The Bohr Model -The Quantum Mechanical Model. Mrs. Coyle Chemistry. a) The Bohr Model. Dalton’s Atomic Model. Plum Pudding Model (Thomson). Student of Rutherford. Niels Bohr (Born in Denmark 1885-1962). Electrons orbit the nucleus in circular paths of fixed energy ( energy levels ).
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h=Plank’s constant 6.7x10-34Js
Energy of the emitted photon =
Difference in energy between two states
Electrons produced a diffraction pattern similar to x-rays.
(me= 9.1 x 10 -31 kg)
Answer: 8.09 x 10 -11 m
A region in space in which there is high probability of finding an electron.
specify the properties of atomic orbitals and their electrons.
n = 1, 2, 3, 4…
Max # electrons = 2n2
n= the principal quantum number
for l= 2, ml = -2, -1, 0, +1, +2Which sublevel does this represent?
l = 2
ml = -2,-1, 0, +1, +2
ms = +1/2, -1/2 for each pair of electrons
The higher the electron density, the higher the probability that an electron may be found in that region.
of finding the electron within this space