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

The Periodic Table: chemical periodicity — practice question

An element $Y$ undergoes the following sequence of reactions: $Y$ burns in $\text{O}_2$ and forms a white solid. This white solid reacts with $\text{HCl(aq)}$ to produce a solution. When $\text{NaOH(aq)}$ is added, a white precipitate is formed, and this precipitate dissolves in excess $\text{NaOH(aq)}$ to give a solution. Which element could $Y$ be?

  • AAl
  • BCa
  • CMg
  • DP

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