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The Periodic Table of Elements was created by Dmitri Mendeleev, in 1869, for his students. That way, there was an easier way for them to learn the elements. Back then there was a total of 63 elements. Then after periods of time,( long time!) synthetic elements were created. He even predicted 3 elements before they were discovered! Also, Mendeleev even has a element named after him! ( It it is called Mendelevium )