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Could You Actually Build Your Own Periodic Table?
"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...
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20 Years of Discovery: How Has the Periodic Table Changed Over Time?
The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...