Definition of Periodic Table



The representation of the chemical elements in the form of a table is known as the periodic table. The elements in the modern periodic table are arranged on the basis of their atomic number. The atomic number is the total number of protons present in an atom of an element. The arrangement of the elements in the periodic table is also based on the electronic configuration as well as on the repeating chemical properties.

 


There are seven rows in it which are known as the periods. On the left-hand side, the metals are present whereas the non-metals are arranged on the right side. Moreover, there are 8 groups and they contain elements with almost the same chemical properties.

 

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