Question

explain the structure of modern periodic table? if the answer is right I will mark a brainlaist. ​

Answer 1

Answer:

In the modern periodic table, the elements are arranged in the order of their inreasing 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 into formation of boxes.

Explanation:

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