Question

why atomic number is the basis of the periodic table​

Answer 1

☀A N S W E R ☀

The periodic table was created for the purpose of systematic study of elements and their properties. ... of neutron and proton in a nucleus of an element. So the elements were arranged in increasing order of the atomic number.

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Answer 2

Answer:

Because the atomic number of an element never changes and always remains the same....

Moreover, no two elements can have the same atomic number ( but two elements can have the same mass number )