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In this video, we look at the development of the periodic table. First we look at early attempts to organise the known elements into some sort of periodic table. We then look at the work of Dmitri Mendeleev and what he did to develop the modern periodic table. Finally, we explore how the periodic table we use today is different from that developed by Mendeleev.

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Image credits:

Dobereiner "https://commons.wikimedia.org/wiki/File:Johann_Wolfgang_D%C3%B6bereiner.jpg

By Carl August Schwerdgeburth, 1785-1878 (engraver), and Fritz Ries, 1826-1857 (painter) [Public domain], via Wikimedia Commons"

Newlands "https://commons.wikimedia.org/wiki/File:John_Alexander_Reina_Newlands.jpg

By The original uploader was DALIBRI at German Wikipedia. (Transferred from de.wikipedia to Commons.) [Public domain], via Wikimedia Commons"

Mendeleev "https://commons.wikimedia.org/wiki/File:Mendeleev_c1880.jpg

See page for author [Public domain], via Wikimedia Commons"

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