TED-Ed: Solving the puzzle of the periodic table - Eric Rosado

The video explores the origins and discovery of elements, starting with their cosmic formation in stars. It highlights ancient civilizations' awareness of elements like gold and copper, and Hennig Brand's accidental discovery of phosphorus. Antoine Lavoisier's work in defining elements and classifying them is discussed, followed by the development of the periodic table by chemists like John Dalton and Dmitri Mendeleev, who organized elements by atomic weight and properties, predicting undiscovered elements.

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