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Periodic table
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Tabular arrangement of the chemical elements
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Wikipedia

The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). An icon of chemistry, the periodic table is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are arranged in...

Instance of
List of chemical classifications
Subclass of
Table (information)
Based on
Periodic trends
Part of
Extended periodic table
Country of origin
Russian Empire
Discoverer / Inventor
Dmitri Mendeleev
References
Wikidata