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To: Scoutmaster

Dmitri Ivanovitch Mendeleev. That periodic table? Consider that there was no such thing as atomic theory when he did it. Mind-boggling.


39 posted on 06/24/2014 11:07:20 AM PDT by Billthedrill
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To: Scoutmaster

I should clarify that. There was no such thing as theory of atomic structure when Mendeleev did his work. 1864.


40 posted on 06/24/2014 11:09:24 AM PDT by Billthedrill
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To: Billthedrill

And Dmitri Ivanovitch Mendeleev didn’t win the Nobel Prize.


51 posted on 06/24/2014 1:10:13 PM PDT by Scoutmaster (Is it solipsistic in here, or is it just me?)
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To: Billthedrill
Five main points of Dalton's atomic theory Elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass, and other properties; atoms of different elements differ in size, mass, and other properties. Atoms cannot be subdivided, created, or destroyed. Atoms of different elements combine in simple whole-number ratios to form chemical compounds. In chemical reactions, atoms are combined, separated, or rearranged.Various atoms and molecules as depicted in John Dalton's A New System of Chemical Philosophy (1808)
52 posted on 06/24/2014 1:10:21 PM PDT by Holdem Or Foldem (Life isn't fair, so wear a cup.)
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