File:Thomson atom seven electrons.svg

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English: This is a diagram of an atom with seven electrons, as described J. J. Thomson in a lecture in 1905. In that lecture, he presented a diagram (File:Thomson_atom_electron_arrangements.jpg) in which he showed hypothetical arrangements of electrons in an atom. This image is based on Thomson's rendition of a seven-electron atom. The electrons are arranged in a pentagonal dipyramid. At the time, Thomson believed that even small atoms contained thousands of electrons, but calculating how so many electrons would arrange themselves in an atom was too computationally difficult for him. In 1913, scientists deduced that an atom contains a number of electrons equal to its atomic number. This atom with seven electrons would therefore be nitrogen, but by then the plum pudding model had been declared obsolete.
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Author Kurzon

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Date/TimeThumbnailDimensionsUserComment
current09:15, 27 April 2024Thumbnail for version as of 09:15, 27 April 2024297 × 297 (4 KB)Kurzon (talk | contribs)shading of lines
13:57, 25 April 2024Thumbnail for version as of 13:57, 25 April 2024297 × 297 (4 KB)Kurzon (talk | contribs)..
13:23, 25 April 2024Thumbnail for version as of 13:23, 25 April 2024571 × 569 (5 KB)Kurzon (talk | contribs)added missing lines
06:23, 25 April 2024Thumbnail for version as of 06:23, 25 April 2024571 × 569 (4 KB)Kurzon (talk | contribs)further lightened background dash lines
06:20, 25 April 2024Thumbnail for version as of 06:20, 25 April 2024571 × 569 (4 KB)Kurzon (talk | contribs)changed shading of foreground dash lines
12:03, 24 April 2024Thumbnail for version as of 12:03, 24 April 2024571 × 569 (4 KB)Kurzon (talk | contribs)resize
10:01, 24 April 2024Thumbnail for version as of 10:01, 24 April 2024523 × 523 (197 KB)Kurzon (talk | contribs)resize
09:57, 24 April 2024Thumbnail for version as of 09:57, 24 April 2024744 × 1,052 (196 KB)Kurzon (talk | contribs)Uploaded own work with UploadWizard

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