Question

Choose the correct option

The arrangement of elements in the Modem Periodic Table is based on their

(a) increasing atomic mass in the period
(b) increasing atomic number in the horizontal rows
(c) increasing atomic number in the vertical columns
(d) increasing atomic mass in the group ​

Answer 1

Answer:

ANSWER

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

The modern periodic law says that the chemical properties of elements are periodic functions of their atomic numbers and electronic configuration.