Question

Give the explanation of modern preodic table​

Answer 1

Explanation:

Explanation of Modern Periodic Table:

Elements are arranged in order of their increasing atomic numbers.

The vertical columns are known as groups and horizontal columns are known as periods; in the modern periodic table.

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

Answer 2

Answer:

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. ... The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right.