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Question

Give two differences between magnesium ion and magnesium atom ?

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Solution

Mg2+ is a Mg atom that now has the same number of electrons as a noble gas.

Mg is an atom of the element magnesium. It is electrically neutral, with 2 electrons in its outer (valence) shell.

Mg2+ is an ion of magnesium that has given up its 2 outer shell electrons.


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