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6. What is Diamond often used for?
- A conductor of heat
- Lead in pencils
- Drilling
- An electrical conductor
7. Which of the following is composed entirely of interlocking tetrahedral carbon atoms?
- Diamond
- Nanotubes
- Graphite
- Amorphous carbon
8. What is an allotrope?
- Same forms of the same element that have different uses
- Different forms of the same element that exist in the same physical state.
- Same forms of the same element that have a different chemical state
- Forms of the same element that have different numbers of neutrons
9. Which of the following conducts both heat and electricity?
- Graphite
- Nanotubes
- Diamond
- Fullerenes
10. What is the structure of Buckministerfullerene?
- A spherical simple molecular structure with 60 carbon atoms and 32 sides
- A spherical giant molecular structure with 100 carbon atoms and 42 sides
- A nanotube with 33 carbon atoms and 60 sides
- A spherical simple molecular structure with 50 carbon atoms and 70 sides.