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CongenialDerivative

Uploaded by CongenialDerivative

University of Abuja

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fullerenes chemistry nanotubes molecular structure

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This document contains questions about the chemistry of fullerenes and carbon nanotubes. The questions cover topics such as the shapes of fullerenes, their bonding, and their applications. This is a good resource for students studying chemistry.

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Chemistry of Fullerenes Your Name: 1. Which of the following shapes do fullerenes NOT typically take? A. Hollow spheres B. Ellipsoids C. Flat sheets D. Cylinders 2. What is the most famous fullerene, often referred to as C₆₀? A. Graphene B. Carbon nanotube C. Pentafullerene...

Chemistry of Fullerenes Your Name: 1. Which of the following shapes do fullerenes NOT typically take? A. Hollow spheres B. Ellipsoids C. Flat sheets D. Cylinders 2. What is the most famous fullerene, often referred to as C₆₀? A. Graphene B. Carbon nanotube C. Pentafullerene D. Buckminsterfullerene 3. What happens to fullerene as the temperature is increased? A. It becomes a gas. B. It undergoes a phase change to graphene. C. It converts into C70. D. It solidifies into diamond. 4. What type of bond connects the carbon atoms in fullerenes? A. Metallic bonds B. Single and double bonds C. Ionic bonds D. Triple bonds 5. How does the structure of fullerenes contribute to a large number of isomers? A. They include a variety of shapes and bonded structures. B. Each carbon atom can bond with four other atoms. C. They are only linear arrangements of carbon atoms. D. They consist only of hexagonal rings. 6. What type of materials are carbon nanotubes considered due to their properties? A. Superconductors B. Semi-conductors C. Biomaterials D. Composite materials 7. What structure do carbon nanotubes exhibit? A. Spherical forms B. Closed cages C. Cylindrical tubes D. Planar sheets 8. Which of these is NOT a characteristic feature of fullerenes? A. They can form stable cage-like structures. B. They are composed entirely of carbon. C. They contain metal atoms. D. They have unique physical properties. 9. Which application is associated with the properties of fullerenes and carbon nanotubes? A. Pharmaceutical drugs B. High-strength materials C. Biological pathogens D. Refrigerants 10. What type of molecular formation is found in fullerenes? A. Linear chains B. Cubic lattices C. Fused rings D. Graphite layers

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