Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

Three statements concerning the chemical periodicity of Period 3 oxides are given. 1. The highest oxidation state shown by the Period 3 elements in their oxides rises from sodium to phosphorus, then falls from phosphorus to sulfur. 2. The oxides from sodium to aluminium dissolve in water with no hydrolysis; from silicon to sulfur they undergo hydrolysis by water. 3. The structure and bonding change from giant ionic to giant covalent to simple molecular. Which statements are correct?

  • A1, 2 and 3
  • B1 only
  • C2 and 3 only
  • D3 only

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