1 ene 1869 año - The Periodic Table
Descripción:
The first periodic table was published by Dmitri Mendeleev in 1869. The periodic table is an arrangement of the chemical elements and are organized on the basis of their atomic numbers, electron configurations and recurring chemical properties. Mendeleev published his periodic table of all known elements and predicted several new elements to complete the table in a Russian-language journal.
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1 ene 1869 año
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~ 155 years ago