putting them in order according to their atomic weights and inventingthe periodic table. He wrote down the sequence in such a way that they ended up grouped on the page according to known regularities or ‘periodicities’ of behaviour. It was perhaps the greatest breakthrough ...
a.A detailed, itemized list, report, or record of things in one's possession, especially a periodic survey of all goods and materials in stock. b.The process of making such a list, report, or record. c.The items listed in such a report or record. ...
Out of every chemist in the lab Thomas Midgley was the first to solve the case. It took him six years. Going block by block, column to column, row to row on a periodic table that he kept tucked away in his wallet, Midgley discovered that if he added tetraethyllead to gasoline the ...
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He is best known for formulating the Periodic Law and creating a farsighted version of the periodic table of elements. He used the Periodic Law not only to correct the then-accepted properties of some known elements, such as the valence and atomic weight of uranium, but also to predict the...
What is the first element on the periodic table? What element would a metal, like sodium, most likely combine with? What is the most dangerous chemical element? What is the third chemical element? What is the chemical element lead? What is the main chemical element of sand? What is the ...
William Nicholson was an English chemist, discoverer of the electrolysis of water, which has become a basic process in both chemical research and industry. Nicholson was at various times a hydraulic engineer, inventor, translator, and scientific publicis
Rudolf Diesel was a German thermal engineer who invented the internal-combustion engine that bears his name. He was also a distinguished connoisseur of the arts, a linguist, and a social theorist. Diesel, the son of German-born parents, grew up in Paris
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