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Dmitri Mendeleyev is the inventor of the modern periodic table.
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Scientists used battery polarity to weigh the elements.
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It was used to correctly predict elements that hadn't been discovered
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It was also used to incorrectly deny the existence of certain elements
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Technetium was the first artificially produced element
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The modern periodic table is designed in the order of increasing atomic number
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Four of the elements in the table were only recently named. They are: nihonium (Nh), moscovium (Mc), tennessine (Ts), and oganesson (Og).
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Majority (Almost 75 percent) of the periodic table is composed of metals.
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Some elements are named after famous scientists, planets, or mythological figures
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Einsteinium is named after Albert Einstein, while germanium, americium, and gallium were named after the places in which they were discovered. Uranium was named shortly after the discovery of Uranus.
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The names of some elements come from mythology. For example, thorium is named after the Scandinavian god of thunder, Thor. Titanium, meanwhile, is named after the Greek Titans.
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Opposites of the table attract. If you take the modern periodic table, cut out the complicated middle columns and fold it once along the middle of the Group 4 elements, the groups that "kiss" are the ones that can be stably fused together. These elements have complementary electron structures that will allow for a combination of the two. So romantic.