Question

write modern periodic law and also write the group and period in modern periodic table​

Answer 1

Answer:

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.

Answer 2

Answer:

The modern periodic law states :

" The property of an element is the periodic function of

it's atomic number. "

In the modern periodic table there are 18 vertical columns known as Groups and 7 horizontal rows known as Periods

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