The diagram shows how magnesium and iodine atoms form
magnesium iodide.
Only the outer electrons are shown.
The dots () and crosses (x) are used to represent electrons.
Use the diagram to help you to answer this question.
Describe, as fully as you can, what happens when magnesium
reacts with iodine to make magnesium iodide.
To gain full marks you should use the words atom, electron and
ion in your answer. Please explain quite simply :)