Physics, asked by purnashreedakshayani, 26 days ago

define modern periodic law? how many periods and groups are present in periodic table​

Answers

Answered by priyadharshini3725
0

Answer:

Modern periodic law states that the properties of elements are dependent on their atomic numbers and elements show similar properties at regular interval of increasing atomic number.

There are 18 groups and 7 periods present in the modern periodic table.

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