Giant covalent structures of carbon

Giant covalent structures of carbon Quiz

Spec 3.12 · Edexcel International A Level Chemistry: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. Which form of carbon is a good conductor and a good lubricant?

    • A. Diamond
    • B. Graphite
    • C. Graphene
    • D. None of them

  2. 2. Why is diamond used on drill tips?

    • A. It conducts heat well
    • B. Strong covalent bonds in all directions make it very hard
    • C. It has delocalised electrons
    • D. It has layers that slide

  3. 3. Why does graphene conduct electricity?

    • A. Each atom has four localised bonds
    • B. It contains free ions
    • C. Each carbon atom has one delocalised electron
    • D. It has weak forces between layers

  4. 4. Which statement about graphite is correct?

    • A. Each carbon atom is bonded to four others
    • B. The layers are held together by strong covalent bonds
    • C. It has a higher density than diamond
    • D. Each carbon atom is bonded to three others

  5. 5. Which property of graphene allows its use in touch screens, as well as conductivity?

    • A. It is opaque
    • B. It is soft
    • C. It is transparent as it is one atom thick
    • D. It has a very high density

Quiz