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History of the Periodic Table: Difference between revisions
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→Mendeleev's Periodic Table
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== Mendeleev's Periodic Table == | == Mendeleev's Periodic Table == | ||
Almost all of the credit for the periodic table goes to Dmitri Mendeleev. He arranged the elements by their atomic mass, like Newlands, but he did something different. He added in the elements that had not been discovered yet. He decided to do this because while he was studying the atomic masses he noticed that when they were put in order some of them increased more than others. He also arranged them vertically, and | |||
== The Modern Periodic Table == | == The Modern Periodic Table == | ||
