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German amateur alchemist heats residues from boiled urine and liquid produced bursts into flames!
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Boyle was a natural philosopher, chemist, physicist and inventor; pioneer of the modern scientific method; one of the founders of modern chemistry
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George Stephenson - invented the practical steam engine for use in mining
http://theinventors.org/library/weekly/aa111100a.htm
Photo Source: http://celebritybollywoodmovieandwallpaper.blogspot.com/2011/05/industrial-revolution-factory.html -
John Newlands - English Chemist
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Russian chemist Dimitri Mendeleev started the development of the periodic table arranging elements by atomic mass, predicting the discovery of other elements (their atomic mass and characteristics), and left spaces open in his periodic table for them.
https://origins.osu.edu/milestones/mendeleev-periodic-table-UN-chemistry-radioactivity-noble-gases -
Incandescent Light Bulbs become commercially available. Thomas Edison came up with an patented the right combination to make a longer - lived commercially viable light bulb; but the "lightbulb" was in the works for 40 years beforehand with many working on it.
Photo source: https://www.britannica.com/technology/incandescent-lamp -
Sir William Ramsay and Lord Rayleigh
Photo Source: https://sciencenotes.org/what-are-noble-gases-definition-and-properties/
(Jurii, Alchemist-hp, Pslawinski, NASA) -
In 1897 English physicist J. J. Thomson first discovered electrons; small negatively charged particles in an atom. John Townsend and Robert Millikan determined their exact charge and mass. Information Source: Read more: https://www.lenntech.com/periodic/history/history-periodic-table.htm#ixzz6nsfE5cII
photo source: https://en.wikipedia.org/wiki/Plum_pudding_model -
Rutherford and Geiger discovered electrons orbit the nucleus of an atom
https://www.compoundchem.com/2016/10/13/atomicmodels/
photo source: http://www.justscience.in/articles/what-was-the-rutherfords-atomic-model/2017/06/29 -
Rutherford identified protons in atomic nucleus; Moseley provided atomic numbers, based on # electrons in an atom rather than on atomic mass
Source:
https://www.lenntech.com/periodic/history/history-periodic-table.htm#:~:text=In%201869%20Russian%20chemist%20Dimitri,his%20periodic%20table%20for%20them.&text=Thomson%20first%20discovered%20electrons%3B%20small%20negatively%20charged%20particles%20in%20an%20atom. -
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Chadwick discovers neutrons sand isotopes were identifies. this was the complete basis for the periodic table. Cockroft and Walton split an atom bombarding lithium in a particle accelerator
