Covalent Bonding

Covalent Bonding Quiz

Spec 3.2.1 · Oxford AQA IGCSE Chemistry: Quiz

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5 questions, one answer each

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  1. 1. What is a covalent bond?

    • A. A transfer of electrons between atoms
    • B. A shared pair of electrons between atoms
    • C. A lattice of positive ions and delocalised electrons
    • D. An attraction between oppositely charged ions

  2. 2. Which of these is NOT one of the named simple molecules on the spec?

    • A. NH3
    • B. CH4
    • C. NaCl
    • D. H2O

  3. 3. What does a dot-and-cross diagram show?

    • A. Only the protons in the nucleus
    • B. The outer-shell electrons of each atom and which atom they came from
    • C. The full electron arrangement of all shells
    • D. The mass of each atom

  4. 4. Diamond is an example of which type of covalent structure?

    • A. Simple molecule
    • B. Ionic lattice
    • C. Giant covalent structure
    • D. Metallic structure

  5. 5. Why do atoms form covalent bonds?

    • A. To gain a full positive charge
    • B. To achieve the electron arrangement of a noble gas by sharing electrons
    • C. To lose electrons completely
    • D. To become magnetic

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