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1 November, 18:02

What is the most stable monatomic ion formed from magnesium?

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  1. 1 November, 20:28
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    Mg²⁺

    Explanation:

    The electron configuration of Mg is [Ne]3s².

    It is easier for Mg to get a complete octet by losing two electrons and exposing the neon core than it is to add eight electrons and get an Ar octet.

    The most stable monatomic Mg ion is Mg²⁺.
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