Allotropes of Carbon
Chemistry ⇒ Carbon and Organic Chemistry
Allotropes of Carbon starts at 8 and continues till grade 12.
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Describe one structural difference between graphite and graphene.
Describe the difference in hardness between diamond and graphite and explain the reason for this difference.
Describe the structure of buckminsterfullerene (C60).
Explain why amorphous carbon does not have a definite melting point.
Explain why diamond does not conduct electricity, but graphite does.
Explain why fullerenes are considered molecular allotropes of carbon.
Explain why graphite is used as a lubricant.
Name two uses of graphite based on its properties.
Which of the following allotropes of carbon is the best electrical conductor?
(1) Diamond
(2) Graphite
(3) Fullerenes
(4) Amorphous carbon
Which of the following best describes the bonding in diamond?
(1) Each carbon atom forms three covalent bonds
(2) Each carbon atom forms four covalent bonds
(3) Each carbon atom forms two covalent bonds
(4) Each carbon atom forms one covalent bond
Which of the following is an amorphous form of carbon?
(1) Diamond
(2) Graphite
(3) Charcoal
(4) Graphene
Which of the following is NOT a property of diamond?
(1) High melting point
(2) Good electrical conductor
(3) Extremely hard
(4) Transparent
Fill in the blank: In graphite, each carbon atom is bonded to _______ other carbon atoms.
Fill in the blank: The allotrope of carbon with a single layer of atoms arranged in a hexagonal lattice is called _______.
Fill in the blank: The carbon allotrope that is transparent and has a very high refractive index is _______.
Fill in the blank: The structure of _______ consists of carbon atoms arranged in a hexagonal lattice in a single layer.
State whether the following statement is true or false: Graphene is a two-dimensional allotrope of carbon.
State whether the following statement is true or false: Graphene is stronger than steel.
True or False: Allotropes are different forms of the same element in the same physical state.
True or False: Allotropes of carbon have the same physical properties because they are made of the same element.
