what is periodic table??????
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Answer:
The periodic table is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. Dmitri Mendeleev, a Russian chemist, is often credited with the development of the periodic table in the late 19th century. He arranged the elements in order of increasing atomic mass, grouping them by similar chemical properties.
The modern periodic table, however, is organized by atomic number, which is the number of protons in an atom's nucleus. The rows of the table are called periods, and the columns are called groups. Elements in the same group tend to have similar chemical properties. The periodic table is a powerful tool for understanding the relationships between different elements and predicting their behaviors in chemical reactions.
Each element on the periodic table is represented by a symbol, typically one or two letters derived from its name. For example, H is hydrogen, O is oxygen, and Fe is iron. The table is divided into metals, nonmetals, and metalloids, each exhibiting distinct characteristics.
In summary, the periodic table is a systematic way of organizing the known chemical elements based on their fundamental properties, providing a comprehensive framework for understanding and studying the elements and their interactions.
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Answer:
The periodic table, also known as the periodic table of the elements, arranges the chemical elements into rows and columns. It is an icon of chemistry and is widely used in physics and other sciences