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What is the main difference between the atomic models of Bohr and Rutherford? |
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Answer
Rutherford showed that the atom consisted of a very dense and very small core (the nucleus), and that the rest was mostly empty space (the electron cloud). By using a backscattering experiment, he watched how alpha particles passed through a very thin gold foil. He found that most of the alpha passed right through the foil with no change in their original direction. However some did change direction, and the ones that did, changed directly significantly. In other words, most of the particles passed through the atoms like nothing was there, but a few hit something as if they hit a brick wall!
Bohr's model of the atom didn't address the question of structure in this way. The Bohr model was used to explain the energy levels of atoms and how atoms absorb and emit light. See the Related Questions to the left for a more complete description of the Bohr model of the atom.
First answer by JEK. Last edit by JEK. Contributor trust: 1775 [recommend contributor]. Question popularity: 19 [recommend question]
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