Most of the positively charged particles went straight through the gold foil. For a summary of the theory just previous to the development of the new methods the reader is referred to a lecture of the author, atomic theory and mechanics. The development of the atomic theory internet archive. Democritus 460 bc greek philosopher proposes the existence of the atom. The development of atomic theory lecture authorstream presentation.
Task you and your partner will use the sources provided to develop a briefing that outlines the key scientists and experiments associated with the development of modern atomic theory. Democritus was a student of leucippus, who proposed the atomic theory of matter. Summarize and interpret the results of the experiments of thomson, millikan, and rutherford. Outline milestones in the development of modern atomic theory. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Pdf the development of daltons atomic theory as a case. The development of the atomic theory by meldrum, andrew norman, 18761934. The most important lesson from 83,000 brain scans daniel amen tedxorangecoast duration. Atomic theory is an important part of chemistry education, and as such it has been an object of concern for chemistry educators. Manchester celebrated last week, just a little prematurely, the centenary of john daltons atomic theory. The atomic theory and the development of modern chemistry. Most of the matter of the atom is found in a very small part of the atom. The main landmarks in the evolution of atomic structure are. John dalton was the first to adapt democritus theory into the first modern atomic model. Although many science curricula have started modern atomic theory from daltons. The quantum postulate and the recent development of atomic. Scribd is the worlds largest social reading and publishing site.
Democritus the atomic theory of matter has a long history, in some ways all the way back to the ancient greeks democritus ca. The development of atomic theory lecture free download as powerpoint presentation. Democritus was an ancient greek philosopher who lived from 460 370 b. The development of atomic theory lecture authorstream.64 1094 265 875 847 265 58 681 1302 86 1503 823 1625 1605 704 454 986 887 1104 506 1534 253 963 1304 1665 109 455 590 71 1268 1220 381 1065 908 240 27 602 1225 377 1168 1291 1008 397 675 759