Allotropes of Carbon
Chemistry ⇒ Carbon and Organic Chemistry
Allotropes of Carbon starts at 8 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Allotropes of Carbon.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
Describe one difference between crystalline and amorphous allotropes of carbon.
Describe the structure of graphite.
Explain why diamond is transparent while graphite is opaque.
Explain why fullerenes are considered a new form of carbon allotrope.
Explain why graphite can conduct electricity but diamond cannot.
Name one use of fullerenes in modern technology.
Name two crystalline allotropes of carbon.
A scientist is developing a new material for flexible electronic devices. She is considering using an allotrope of carbon that is both highly conductive and extremely thin. Based on your knowledge of carbon allotropes, which one should she choose and why?
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 amorphous carbon?
(1) Regular atomic arrangement
(2) High electrical conductivity
(3) No definite shape
(4) Transparent
Which of the following is a use of amorphous carbon?
(1) Lubricant
(2) Fuel
(3) Jewelry
(4) Semiconductor
Which of the following is an amorphous form of carbon?
(1) Diamond
(2) Graphite
(3) Charcoal
(4) Fullerene
Fill in the blank: The allotrope of carbon discovered in 1985 with a spherical structure is called __________.
Fill in the blank: The allotrope of carbon that conducts electricity is __________.
Fill in the blank: The arrangement of carbon atoms in diamond is __________.
Fill in the blank: The molecular formula of Buckminsterfullerene is __________.
True or False: All allotropes of carbon have the same physical properties.
True or False: Allotropes are different forms of the same element in the same physical state.
True or False: Amorphous carbon has a definite crystalline structure.
True or False: Diamond is the hardest natural substance known.
