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

The Periodic Table: chemical periodicity — practice question

X and Y are two elements from Period 3 of the Periodic Table. They react together to produce compound Z. X produces a soluble acidic oxide. The oxidation number of X in this oxide is $+4$. Y produces an amphoteric oxide. What is the formula of compound Z?

  • A$\text{AlP}$
  • B$\text{Al}_2\text{S}_3$
  • C$\text{Si}_2\text{P}_5$
  • D$\text{SiS}_2$

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