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Modello atomico di Rutherford; Usage on it.wikibooks.org Scienze per la scuola media/L'atomo; Chimica per il liceo/Le grandezze fisiche e la loro misura; Chimica per il liceo/La struttura atomica, da Bohr al modello quantomeccanico; Chimica per il liceo/La struttura atomica, da Bohr al modello quantomeccanico/P; Usage on li.wiktionary.org ...
In atomic physics, the Bohr model or Rutherford–Bohr model was the first successful model of the atom. Developed from 1911 to 1918 by Niels Bohr and building on Ernest Rutherford 's nuclear model , it supplanted the plum pudding model of J J Thomson only to be replaced by the quantum atomic model in the 1920s.
The following other wikis use this file: Usage on da.wikipedia.org Bruger:Metalindustrien/Kasse3; Usage on fr.wikibooks.org Le noyau atomique/Introduction historique : la découverte du noyau atomique
I created this file to be an SVG alternative to Image:Bohratommodel.png and Image:Bohr model Balmer 32.png. I did not draw the orbitals to scale like the latter diagram because I could not readily find information about the orbitals' radii. For some reason, the "+" on the nucleus is rendering off-centered. The SVG doesn't look like that.
Bohr dropped his work on the Thomson model in favor of Rutherford's nuclear model, developing the Rutherford–Bohr model over the next several years. Eventually Bohr incorporated early ideas of quantum mechanics into the model of the atom, allowing prediction of electronic spectra and concepts of chemistry.
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In 1913, Niels Bohr refined the Rutherford model by stating that the electrons existed in discrete quantized states called energy levels. This meant that the electrons could only occupy orbits at certain energies. The laws of quantum physics apply here, and they don't comply with the laws of classical newtonian mechanics.