Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

The positions of two elements, P and Q, in the Periodic Table are displayed. P and Q react with each other to produce a compound. What is the formula of the compound?

  • AQP
  • BQ$_2$P
  • CQ$_7$P
  • DQP$_7$

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