File:Gold foil.png
Gold_foil.png (302 × 460 pixels, file size: 56 KB, MIME type: image/png)
J. J. Thomson had modeled the atom as a sphere in which positive charge and mass were evenly spread. Electrons orbited within the positive sphere. This was called the plum pudding model.
The results of the gold foil experiment allowed Rutherford to build a more accurate model of the atom, in which nearly all of the mass was concentrated in a tiny, dense nucleus. Most of the atom’s volume was empty space. The nucleus was like a fly floating in a football stadium – remembering of course that the fly was much heavier than the stadium! Electrons orbited at some distance from the nucleus. This was called the Rutherford model. It resembles planets orbiting a star.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:26, 2 December 2015 | | 302 × 460 (56 KB) | Pestrada8 (talk | contribs) | |
| 00:18, 2 December 2015 |  | 302 × 460 (56 KB) | Pestrada8 (talk | contribs) | ||
| 23:57, 1 December 2015 |  | 302 × 460 (56 KB) | Pestrada8 (talk | contribs) | J. J. Thomson had modeled the atom as a sphere in which positive charge and mass were evenly spread. Electrons orbited within the positive sphere. This was called the plum pudding model. The results of the gold foil experiment allowed Rutherford to bu... |
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