Which of the following statements with reference to allotropes is/are correct?
1. It is the property of some chemical elements to exist in two or more different forms, in different physical states.
2. The term allotropy is used for elements only, not for compounds.
Select the correct answer using the code given below.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2
5
Answer Not Known