What is graphene?
Graphene and fullerenes | Exit Quiz | Oak National Academy

Quiz
•
Science
•
9th Grade
•
Hard
Oak National Academy
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a spherical fullerene
a single layer of graphite
a type of diamond
a nanotube
Answer explanation
Graphene is an allotrope of carbon that forms a flat sheet just one atom thick.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property is not associated with graphene?
high electrical conductivity
simple molecular structure
high strength
flexible
Answer explanation
Graphene is a giant covalent substance due to its lattice structure. Graphene is known for its strength, conductivity, and its flexibility.
3.
MATCH QUESTION
1 min • 1 pt
Match the following terms with their correct descriptions.
graphene
cylindrical fullerene known for its strength and conductivity
fullerene
different structural form of an element
nanotube
molecular allotrope of carbon forming nanoparticles with hollow shapes
buckminsterfullerene
single layer of graphite
allotrope
spherical fullerene composed of 60 carbon atoms
Answer explanation
Allotropes vary in structure: Graphene is a thin graphite layer; Fullerene forms hollow shapes; Buckminsterfullerene is a spherical C₆₀ structure; and Nanotube is a cylindrical form of graphene.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All carbon allotropes are giant covalent substances.
True
False
Answer explanation
Fullerenes are large but simple molecules. Diamond, graphite and graphene are giant covalent substances.
5.
REORDER QUESTION
1 min • 1 pt
Arrange the following carbon allotropes in order of their tensile strength, from weakest to strongest.
nanotubes
graphene
spherical fullerenes
Answer explanation
Graphene is known for its exceptional strength, followed by nanotubes, with spherical fullerenes being the weakest due to their molecular structure.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A Buckminsterfullerene is a spherical fullerene of ___ carbon atoms.
Answer explanation
A Buckminsterfullerene is a spherical fullerene of sixty carbon atoms (C₆₀).
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