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

The Periodic Table: chemical periodicity — practice question

Aluminium, silicon and phosphorus are elements found in Period 3 of the Periodic Table. An oxide is formed by each element. Which row is correct?

  • A$\text{Al}_2\text{O}_3$ basic; $\text{SiO}_2$ amphoteric; $\text{P}_4\text{O}_{10}$ acidic
  • B$\text{Al}_2\text{O}_3$ giant ionic; $\text{SiO}_2$ giant ionic; $\text{P}_4\text{O}_{10}$ simple molecular
  • C$\text{Al}_2\text{O}_3$ high melting point; $\text{SiO}_2$ high melting point; $\text{P}_4\text{O}_{10}$ low melting point
  • D$\text{Al}_2\text{O}_3$ vigorous reaction with water; $\text{SiO}_2$ slight reaction with water; $\text{P}_4\text{O}_{10}$ vigorous reaction with water

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