Question

what is periodic table???????????​

Answer 1

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The periodic table is nothing but arrangement of all the elements into specified periods (rows) and groups (columns) in order of their increasing atomic numbers.

It is also known as the Modern Periodic Table or Long Form of the Periodic Table. The table consists of 7 periods and 18 groups.

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Answer 2

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson. The atomic number of an element is the number of protons in the nucleus of an atom of that element.

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