Wednesday, October 19, 2011

Where in the world is the electron

Hello fellow chemists,
Today we delved into the nebulous world of quantum mechanics.  Remember it is based on the probability of finding an electron in a region of space.  Here is a Heisenberg joke for you - Heisenberg is out for a drive when he's stopped by a traffic cop.  The cop says, "Do you know how fast you were going?"
Heisenberg says, "No, but I know where I am."  Bazinga! Remember if we can precisely know the position of the electron than we cannot  precisely know the momentum.  A good study tip for the weekend is to compare and contrast the Bohr model of the atom with the quantum mechanical model of the atom.  I think there is a very good probability of this being an exit slip question on Monday ( another Bazinga reference there)  So where will Mrs. Engel be at precisely 7:00 pm tonight?  Email your best guest to dengel@mchs.net.  Don't forget to answer all of your post-lab questions for the marble lab from today.  We will be reviewing the theories of quantum mechanics on Monday along with learning how to write electron configurations for ground state electrons.
See you then,
Mrs. E

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