Which allotropes of carbon form geodesic globes?
A. fullerene
B. carbon nano tube
C. diamond
D. graphite
Answer: Option A
Solution (By Examveda Team)
* Allotropes are different structural forms of the same element.* Carbon is special because it can form many different allotropes.
* Fullerenes: These are spherical or ellipsoidal molecules made of carbon atoms arranged in a geodesic structure, like a soccer ball. Think of them as tiny cages!
* Carbon nanotubes: These are cylindrical structures made of rolled-up sheets of graphite. They aren't spherical, so they don't form geodesic globes.
* Diamond: This has a giant covalent network structure, making it very hard. It doesn't form geodesic globes.
* Graphite: This consists of layers of carbon atoms arranged in hexagonal sheets. These sheets are flat, and do not form geodesic globes.
Therefore, only fullerenes form geodesic globes.
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Related Questions on Non Metal and Its Compounds
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard

Not fluorine it's fullerene