Allotropes of Matter
Chemistry ⇒ States of Matter
Allotropes of Matter starts at 9 and continues till grade 12.
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Describe one industrial application of graphite based on its properties as an allotrope of carbon.
Describe the structural difference between diamond and graphite.
Describe the structure of buckminsterfullerene (C60).
Explain the term 'allotropy' with an example.
Explain why diamond is harder than graphite.
Explain why rhombic sulfur is more stable than monoclinic sulfur at room temperature.
Explain why white phosphorus is more reactive than red phosphorus.
Name the allotrope of carbon that is used in making pencil leads.
Which of the following elements does NOT exhibit allotropy?
(1) Sulfur
(2) Phosphorus
(3) Sodium
(4) Carbon
Which of the following elements shows allotropy in the gaseous state?
(1) Oxygen
(2) Nitrogen
(3) Sulfur
(4) Phosphorus
Which of the following is a use of ozone?
(1) Disinfectant
(2) Lubricant
(3) Fuel
(4) Fertilizer
Which of the following is an allotrope of sulfur?
(1) Rhombic sulfur
(2) Monoclinic sulfur
(3) Both (1) and (2)
(4) None of the above
Fill in the blank: The allotrope of carbon with a cage-like structure is called ______.
Fill in the blank: The molecular formula of ozone is ______.
Fill in the blank: The most stable allotrope of oxygen at room temperature is ______.
Fill in the blank: The red and white forms of phosphorus are examples of ______.
True or False: Allotropes are different structural forms of the same element in the same physical state.
True or False: Allotropes can exist in different physical states (solid, liquid, gas) at the same temperature and pressure.
True or False: Allotropes of an element have different numbers of neutrons.
True or False: Allotropes of an element have identical chemical properties but different physical properties.
