Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

Magnesium reacts with oxygen to make magnesium oxide. In this reaction, each magnesium atom ……1…… two ……2…… . Which words should go in gaps 1 and 2?

  • Aloses, electrons
  • Bloses, protons
  • Cgains, electrons
  • Dgains, protons

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