Question

Periodic table is an arrangement of elements, based on certain law known as:

• A. elemental law
• B. periodic law
• C. both $A$ and $B$
• D. None of these

Answer 1

The correct option is B periodic law

Periodic law states that if the chemical elements are listed in order of increasing atomic number, many of their properties go through cyclical changes with elements of similar properties recurring at intervals. For example, after arranging elements in their increasing atomic numbers, many of the physical and chemical properties are recurred.