6 Times Scientists Were Wrong About the Periodic Table
Visit https://brilliant.org/scishow/ to get started learning STEM for free for a full 30 days and get 20% off their annual premium subscription.Mendeleev's original, 1869 version of the Periodic Table featured 63 elements. Now, there are 118. But as scientists worked to extend the Table (and fill in a bunch of holes), not every discovery turned out to be real.
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