Question

what is modern periodic table​

Answer 1

Answer:

The modern or long form of the periodic table is based on the modern periodic law. The table is the arrangement of elements in increasing order of their atomic numbers. The modern periodic table is the present form of the periodic table. And it consists of 18 vertical columns and 7 horizontal row.

Answer 2

Answer:

The modern periodic table is used to organize all the known elements. Elements are arranged in the table by increasing atomic number. In the modern periodic table, each element is represented by its chemical symbol. ... Columns of the periodic table are called groups. Elements in the same group have similar properties.

hope it helps you