Question

Write the structure of the modern periodic table ???



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Answer 1

Answer:

Ok sis

Explanation:

In the modern periodic table, the elements are arranged in the order of their increasing atomic number. In the modern periodic table, there are seven horizontal rows called periods and eighteen vertical columns (1 to 18) called groups. The arrangement of the periods and groups results in formation of boxes.

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Answer 2

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• In modern periodic table the elements are arranged according to their increasing atomic number.
• Modern periodic table consist of 7 horizontal rows and 18 vertical columns.
• The group number tells us the number of electron present in the valence shell.

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