Chemistry 9701 · AS & A Level · The Periodic Table: chemical periodicity

The Periodic Table: chemical periodicity — practice question

Sodium, aluminium and silicon are three elements in Period 3. Each of these elements forms an oxide. Which row shows three correct properties of these oxides?

  • Asodium oxide: basic; aluminium oxide: basic; silicon dioxide: amphoteric
  • Bsodium oxide: giant ionic; aluminium oxide: giant ionic; silicon dioxide: simple molecular
  • Csodium oxide: high melting point; aluminium oxide: low melting point; silicon dioxide: high melting point
  • Dsodium oxide: reacts with water; aluminium oxide: no reaction with water; silicon dioxide: no reaction with water

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