Question

What property is used to arrange the elements in the periodic table?

Answer 1

Answer:

Elements are arranged from left to right and top to bottom in order of increasing atomic number.

Explanation:

The periodic table of elements arranges all of the known chemical elements in an informative array.  Order generally coincides with increasing atomic mass

As, The modern periodic law tells that the Elements in the modern periodic table are arranged by increasing atomic numbers.

Hope it helps you!!!

Answer 2

Mordern periodic law=If elements are arranged in increasing order of increasing atomic number , then the properties of elements will repeat after several intervals.

Property = Increasing atomic number

Hope it helps....