who was the first chemist that tried to group elements based on their properties
History of the periodic table In 1817, Johann Wolfgang Döbereiner, a chemist, began to formulate one of the earliest attempts to classify the elements.[8] In 1829, he found that he could form some of the elements into groups of three, with the members of each group having related properties. He termed these groups triads.[9]
Charles Dudley Warner Everybody complains about the weather, but nobody does anything about it.[4]
Babylon Babylon (
Prafulla Chandra Ray Acharya Sir Prafulla Chandra Ray also spelled Prafulla Chandra Rây CIE (Bengali: প্রফুল্ল চন্দ্র রায় Praphulla Chandra Rāy; 2 August 1861 – 16 June 1944)[1] was a Bengali chemist, educator and entrepreneur.[2]