Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

The electron arrangements of two ions made from elements X and Y are shown. Which equation shows the reaction between element X and Y?

  • A$\text{X}_2 + 2\text{Y} \rightarrow 2\text{X}^+ + 2\text{Y}^-$
  • B$\text{X}_2 + 2\text{Y} \rightarrow 2\text{X}^- + 2\text{Y}^+$
  • C$2\text{X} + \text{Y}_2 \rightarrow 2\text{X}^+ + 2\text{Y}^-$
  • D$2\text{X} + \text{Y}_2 \rightarrow 2\text{X}^- + 2\text{Y}^+$

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