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After losing an electron in its outer shell a magnesium atom would become a CATION, a positively-charged ion. However, it is very rare for magnesium to only lose one electron; usually it will lose two and become a cation with a 2+ charge.

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8y ago
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8y ago

It becomes a positively charged magnesium ion.

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Q: What happens when a magnesium atom loses an election in its outer energy shell?
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