Question

_______classified elements systematically in a table called modern periodic table.​

Answer 1

Answer:

The modern periodic table is based on modern periodic law in which elements are arranged in increasing order of their atomic numbers. In this table, the elements are arranged in rows and columns. These rows are called 'periods' and the columns are known as 'groups'

Answer 2

modern periodic law classified elements systematically in a table called modern periodic table.