by Marshall Brain | March 3, 2009
How do we know that an atom has a nucleus, or that the nucleus is tiny, or that there is such a thing as alpha and beta particles? Because of the experiments of scientists like Rutherford and Bohr. For example, here is the experiment that tells us about the nucleus:
This is part 3 of series on the atom. Here are the other parts: Part 1, Part 2, Part 3, Part 4, Part 5, Part 6
See also: Quarks: Inside the Atom
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