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STRUKTURA ATOMA I PERODNI SISTEM ELEMENATA

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RAZVOJ MODELA <strong>ATOMA</strong><br />

• Dalton daje atomsku strukturu materije (1805)<br />

• Goldstien otkriva “kanalne zrake” (kasnije<br />

nazvani protoni) (1866)<br />

• J.J. Thompson otkriva elektron (1897) (kanalni<br />

zraci)<br />

• Thompsonov model atoma “puding od šljiva”<br />

• E. Raderford otkriva atomsko jezgro i daje<br />

planetarni model atoma (1910)<br />

• Borov model atoma (1913)<br />

• Talasno- mehaniĉki model atoma<br />

• Hajzenbergov princip neodreĊenosti (1925)<br />

• Šredinger daje “talasnu mehaniku” (1926)<br />

• Dirak integriše prethodna dva modela (1926)<br />

• Ĉedvik otkriva neutron (1932)

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