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Have you ever wondered what are the most expensive elements in the world? Altogether, scientists have discovered 118 elements. Just like the universe itself, the exact history and origins of these elements are unknown, but scientists have been steadily learning more about the materials that build our entire world. When it comes to classifying elements, the story starts in the 19th century with the birth of Dmitri Mendeleev. Dmitri was a Russian scientist who developed an early version of the periodic table. This version, which was completed in 1871, intentionally left blank spaces where Dmitri believed newly discovered elements would fit in the future — and it turned out he was right. Four new elements were discovered and added to the periodic table as recently as 2016, but similar discoveries have taken place throughout the 19th, 20th, and 21st centuries. Some elements, like chlorine and sodium, are relatively inexpensive and easy to find, others are extremely expensive and extremely rare. #periodictable #chemistry #elements #science Music by Epidemic Sound: https://www.epidemicsound.com Please don't forget to Subscribe the channel! / @informationm This video was created using publicly available information. --------------------------------------------- 00:00 Introduction 00:18 Number 5 Sc 00:34 Number 4 Pu 01:04 Number 3 Bk