How do we know where an electron resides around an atom?

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Offline warmare

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What is the method of finding electrons in fixed orbits even we can't see an atom, I mean if one says hydrogen has one electron revolving around the nucleus, helium has two elecrtons and so on..... In the same wasy how we can find the specific number of protons and neutrons in the nucleus of particular atom.
« Last Edit: 22/05/2008 22:29:53 by chris »

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Offline chris

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How do we know where an electron resides around an atom?
« Reply #1 on: 24/05/2008 00:26:35 »
I think there are formulae for predicting the location of an electron, but not its energy, or it's energy, but not it's location; this is quantum uncertainty.

Chris
I never forget a face, but in your case I'll make an exception - Groucho Marx

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Offline kaukcz

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How do we know where an electron resides around an atom?
« Reply #2 on: 28/05/2008 05:58:52 »
I recently listened to a podcast in which Dr. Michio Kaku says that electrons co exist in multiple states at the same time, and must, to create molecules.