Question

Explain the stucture of Modun periodic table​

Answer 1

Answer:

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Explanation:

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.

Answer 2

Answer:

There are 18 vertical columns in the periodic table. Each column is called a group. All elements in a group have similar chemical and physical properties because they have the same number of valence electrons. Periods - In periodic table elements are arranged in a series of rows.