Question

what is modern periodic table??​

Answer 1

Answer: Modern periodic Law:

" Properties of elements are periodic functions of their atomic masses. "

Henry Moseley proposed this table. According to him, if elements are arranged in increasing order of their atomic number, then properties repeat after a certain period.

This is the table: (in the picture attached)

Answer 2

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♛ Modern periodic table

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⭐The arrangement of various elements on basis of its atomic number is called periodic table.

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⭐It is discovered by Henry mossley.

⭐It has seven periods and eighteen groups.

⭐It is based on modern periodic law:-

⭐The chemical and physical properties of an elements is the periodic functions of its atomic numbers.