Question

define allotropy? what are the different compounds of carbon

Answer 1

ALLOTROPY
The ability of a substace to exist in more than one form

ALLOTROPS OF CARBON
Graphite
Diamond

Answer 2

When an element exists in more than one crystalline form, those forms are called allotropes. The known inorganic chemistry of the allotropes of carbon (diamond, graphite, and the fullerenes) blossomed with the discovery of buckminsterfullerene in 1985, as additional fullerenes and their various derivatives were discovered.