Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

A magnesium ion has two positive charges, while a chloride ion has one negative charge. Which statement is correct?

  • AA chlorine atom gains an electron to form the chloride ion.
  • BA chlorine atom loses a proton to form the chloride ion.
  • CA magnesium atom loses an electron to form the magnesium ion.
  • DA magnesium atom gains two electrons to form the magnesium ion.

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