Chapter 17, Problem 21R

To determine

To Write: The common name of the elements which have the different structural forms of the same elements.

Explanation of Solution

Introduction:

The existence of two or more physical forms of an element is called allotropy and these different forms are named as allotropes.

Allotropes show quite different physical properties and chemical behaviours.

Conclusion:

Thus, different structural forms of the same element are called allotropes.