Question

what is modern periodic table and its classification ​

Answer 1

Answer:

In the modern periodic table, elements are arranged in order of their increasing atomic numbers. 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.

Answer 2

In the modern periodic table, elements are arranged in order of their increasing atomic numbers. 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.