The Periodic Table Epi 01

The Periodic Table is a tabular arrangement of all the known chemical elements in order of their atomic number, electron configurations, and chemical properties. It was first developed by the Russian chemist Dmitri Mendeleev in 1869.

The periodic table is divided into groups or columns, each with elements that share similar chemical and physical properties. These elements also have similar electronic configurations.

The rows in the periodic table are called periods. The elements in each period have the same number of electron shells.

The periodic table has many uses in chemistry and beyond. It is used to predict the chemical properties of elements, to understand the behavior of elements in chemical reactions, and to identify unknown elements.

Elements in the periodic table are represented by their chemical symbols, which consist of one or two letters. Some examples of these symbols include H for hydrogen, O for oxygen, and Au for gold.

As new elements are discovered or synthesized, they are added to the periodic table. The most recent additions to the periodic table include elements 113, 115, 117, and 118, which were officially recognized by the International Union of Pure and Applied Chemistry (IUPAC) in 2015.

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