Question

Define allotrophy give example

Answer 1

Allotropes :
Allotropes are the elements present in same chemical form but various physical forms.

For Example the allotropes of carbon are diamond and graphite.

Hope it helps you!

Answer 2

the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotrohy.
Diamond is the example of allotropy