Name two allotropes of carbon.

 Name two allotropes of  carbon.

Tips: The solution to this question may be ambiguous, but you may answer it in two ways.

Solution:

Diamond and graphite are two allotropic forms of crystalline carbon. The others, like coal, charcoal, coke, sugar charcoal, animal charcoal and lamp-black are amorphous or non-crystalline forms of carbon.

Or

The main allotropes of crystalline carbon are diamond and graphite. The amorphous is a non-crystalline allotropic form of carbon examples coal, coke, charcoal, lamp black, sugar charcoal and animal charcoal.

NOTE: Allotropy is the existence of substances in two or more forms in the same physical state.

QUESTIONS SOURCE: WAEC THEORY QUESTION 1988 QUESTION 1 (a)