Ionic Bonding

Ionic Bonding Quiz

Spec 1.37–43 · Edexcel IGCSE Chemistry: Quiz

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5 questions, one answer each

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  1. 1. How does a sodium atom become a sodium ion, Na⁺?

    • A. By gaining one electron
    • B. By losing one electron
    • C. By gaining one proton
    • D. By losing one neutron

  2. 2. What is the charge on a sulfate ion, SO4?

    • A. 1−
    • B. 2−
    • C. 3−
    • D. 2+

  3. 3. What is the correct formula for calcium chloride, using Ca²⁺ and Cl⁻?

    • A. CaCl
    • B. CaCl2
    • C. Ca2Cl
    • D. Ca2Cl2

  4. 4. Why does solid sodium chloride not conduct electricity, but molten sodium chloride does?

    • A. Solid NaCl has no ions at all
    • B. In the solid, ions are fixed in the lattice and cannot move; when molten, ions are free to move and carry charge
    • C. Molten NaCl contains extra electrons not present in the solid
    • D. Solid NaCl is covalent, but molten NaCl is ionic

  5. 5. A student is given an unknown ionic compound with formula XY2, where X is a metal ion and Y is a non-metal ion with charge 1−. What is the most likely charge on ion X?

    • A. 1+
    • B. 2+
    • C. 3+
    • D. 1−

Quiz