Answer :
Final answer:
Magnesium, a group 2 element, forms a Mg^2+ cation by losing 2 electrons, resembling the noble gas neon.
Explanation:
Magnesium is in group 2 in the Periodic Table, signifying that it is a metal. Metals form cations by losing electrons. With a valence of 2 electrons, magnesium forms a Mg2+ ion to achieve a stable electron configuration similar to neon.
Learn more about Magnesium's position on the periodic table and its valence electrons here:
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