Question

what is the atomic number basis of modern periodic law​

Answer 1

Properties of elements are the periodic function of their atomic number and this statement is given by Henry moseley who introduced the modern periodic table and this Modern Periodic Table is modified from the Mendeleev's periodic table.

Answer 2

Answer:

The atomic number the basis of modern periodic law. It is because:

• This classification is based on the atomic number which is a more fundamental property of the elements.
• This classification is based on the atomic number which is a more fundamental property of the elements.Since this classification is based on the atomic number and not on the atomic mass, the position of placing isotopes at one place is fully justified.
• This classification is based onthe atomic number which is a more fundamental property of the elements.Since this classification is based on the atomic number and not on the atomic mass, the position of placing isotopes at one place is fully justified.It is easy to remember and reproduce.
• The systematic grouping of elements into four blocks; s, p, d and f has made the study of the elements more simple.
• The position of some elements which were misfit on the basis of atomic mass is now justified on the basis of atomic number. For example, argon precedes potassium because argon has atomic number 18 and potassium has 19.

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