S2.1 The ionic model

S2.1 The ionic model Quiz

IB Chemistry HL: Quiz

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  1. 1. What is the formula of magnesium hydroxide?

    • A. MgOH
    • B. Mg(OH)₂
    • C. Mg₂OH
    • D. MgOH₂

  2. 2. Which element forms a 3+ ion?

    • A. Sodium
    • B. Magnesium
    • C. Aluminium
    • D. Nitrogen

  3. 3. What is the name of Na₃N?

    • A. Sodium nitrate
    • B. Sodium nitrite
    • C. Sodium nitride
    • D. Trisodium nitrogen

  4. 4. Under which conditions does potassium bromide conduct electricity?

    • A. Solid only
    • B. Molten and aqueous only
    • C. Solid and molten only
    • D. In all states

  5. 5. Which compound is likely to have the highest melting point?

    • A. NaF
    • B. KCl
    • C. CaO
    • D. KBr

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