Question

write the properties of modern periodic table​

Answer 1

Answer:

The elements are arranged based on their increasing atomic number.

There are 7 periods and 18 groups in the table.

The inert gases i.e. He, Ne, Ar, etc. ...

All the groups are divided into sub groups A and B except 0 and VIII group in the modern periodic table

Explanation:

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Answer 2

Answer:

Characteristics of Modern periodic table

The elements are arranged based on their increasing atomic number.

There are 7 periods and 18 groups in the table.

The inert gases i.e. He, Ne, Ar, etc. ...

All the groups are divided into sub groups A and B except 0 and VIII group in the modern periodic table.