The terms theory and model are defined, and students learn how a theory remains valid. Atomic Theory: The Development of the Atomic Theory: The terms theory and model are defined, and students learn ...
As a young boy growing up in rural New Zealand, Ernest Rutherford once tried to measure the distance of a thunderstorm by counting the seconds between the lightning and the thunder. His father, ...
Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly ...
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