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 reason why carbon can form so many allotropes.
Describe the structure of graphite.
Explain why diamond does not conduct electricity.
Explain why fullerenes are called 'buckyballs'.
Explain why graphite is soft while diamond is hard.
Name one amorphous form of carbon.
Name two crystalline allotropes of carbon.
A scientist discovers a new form of carbon where each atom is bonded to three others in a flat sheet. Which known allotrope does this most closely resemble?
(1) Diamond
(2) Graphite
(3) Fullerene
(4) Amorphous carbon
Which of the following allotropes of carbon has a cage-like structure?
(1) Diamond
(2) Graphite
(3) Fullerene
(4) Amorphous carbon
Which of the following best describes the bonding in diamond?
(1) Each carbon atom is bonded to three other carbon atoms
(2) Each carbon atom is bonded to four other carbon atoms
(3) Each carbon atom is bonded to two other carbon atoms
(4) Each carbon atom is bonded to six other carbon atoms
Which of the following is a property of fullerenes?
(1) They are soft and slippery
(2) They are good conductors of electricity
(3) They have a cage-like structure
(4) They are used in jewelry
Which of the following is a use of fullerenes?
(1) Water purification
(2) Drug delivery
(3) Pencil lead
(4) Jewelry
Fill in the blank: In diamond, each carbon atom is bonded to ________ other carbon atoms.
Fill in the blank: The arrangement of carbon atoms in diamond is ________ (tetrahedral/hexagonal/linear).
Fill in the blank: The chemical formula of buckminsterfullerene is ________.
Fill in the blank: The electrical conductivity of diamond is ________ (high/low).
True or False: Allotropes are different forms of the same element in the same physical state.
True or False: Allotropes of carbon have different chemical properties.
True or False: Allotropes of carbon have the same physical properties.
True or False: Amorphous carbon has a definite crystalline structure.
