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Magnesium often bonds ionically. It has 2 spare electrons in the outer shell (a charge of 2+) , so therefore has a valency of 2.

magnesium can also bond covalently forming 2 bonds as in the Grignard reagent, ethyl magnesium bromide, C2H5MgBr. This is an organometallic compound.

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11y ago
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Q: How many covalent bonds does element Mg form?
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