Question

State the modern periodic law. how many groups and periods are present in modern periodic law

Answer 1

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18 groups

Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their atomic number. There are 18 groups and 7 periods present in the modern periodic table.

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Answer 2

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ANSWER :

Modern Periodic Law

The modern periodic law states that the physical and chemical properties of the elements are the periodic functions of their atomic numbers.

They are 18 groups and 7 periods in modern periodic table.

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