Allotropes are elements having?

A.

different physical but the same chemical properties

B.

different chemical but the same physical properties

C.

the same chemical and physical properties

D.

different atomic structure

E.

the same position in the periodic table

Correct answer is A

Allotropes: These are the different forms of elements having different physical properties but the same chemical properties.

For example, the allotropes of carbon. Crystalline form: Diamond, Graphite and Fullerene