why diamond is the hardest matter?

Asked by  | 15th Apr, 2008, 11:36: AM

Expert Answer:

diamond is an allotrope of carbon n it is made of 3 dimensional tetrahedral units of c atoms each c atom is attatched to 4 other c atom by covalent bond so due to this arrangement of c atoms it is hardest

Answered by  | 6th May, 2008, 09:32: PM

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