Which Allotropy of Carbon is in Rigid Three-Dimensional Dtructures?
Answer: (3) Diamond
Diamond allot ropy of Carbon is in rigid three dimensional structures. It is a cubic crystal structure. It is a repeating pattern of 8 atoms.
It is vary hardest natural substance found in the earth.It have very high melting point of 3547 centigrade. It is a birthstone for people born in the month of April. It is mostly used in jewelry (80% of the world’s diamond). It can be found in the shallow alluvial.