GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mg+
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Mg2+
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Mg-
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Mg2-
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Detailed explanation-1: -Magnesium(2+) is a magnesium cation, a divalent metal cation and a monoatomic dication. It has a role as a cofactor and a geroprotector. ChEBI.
Detailed explanation-2: -Magnesium is a chemical element with the symbol Mg and atomic number 12.
Detailed explanation-3: -Mg is an atom of magnesium element. It is electrically neutral and has two electrons in its outermost or valence shell. Mg+2 is an ion of magnesium atom which has lost 2 electrons from its valence shell and has attained an electronic configuration of noble gas that is Neon and hence become positively charged.
Detailed explanation-4: -In aqueous solution, magnesium forms Mg2+ ions and not Mg+ions because. Mg2+ salts are soluble in water while those of Mg+are insoluble.