In 1869
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Dmitri Mendeleev set up the Periodic Table in 1869. He organized the elements based on their properties and atomic weights.
The periodic table was set up in the 19th century, specifically in 1869 by Dmitri Mendeleev. Mendeleev organized the elements based on their properties and atomic weights, creating the foundation for the modern periodic table.
Dmitri Mendeleev was a Russian chemist and inventor who is best known for formulating the Periodic Law and creating the periodic table of elements. He is considered the "father of the periodic table" for his contributions to the field of chemistry.
The name "periodic table" was introduced by Dmitri Mendeleev, a Russian chemist, in 1869. Mendeleev organized the elements into a table based on their atomic weights and observed recurring patterns or "periods" in their properties.
Dmitri Mendeleev created the periodic table of elements. He organized the elements based on their atomic mass and chemical properties, leading to the modern version we use today. His work was a groundbreaking achievement in chemistry.
Dmitri Mendeleev arranged the elements in the periodic table based on increasing atomic mass, while also grouping elements with similar properties together. This allowed him to identify patterns and gaps in the elements' properties, which led to the creation of a periodic law that predicted the properties of undiscovered elements.