1) Magnesium (Mg) is steel from 2. Team of periodic table that elements and also has short ionisation energy and electronegativity, which means it conveniently lose valence electons (two valence electrons).

You are watching: When magnesium (mg2+) and fluorine (f1-) combine in an ionic bond, the resulting formula will be

Magnesium has actually atomic number 12, which means it has actually 12 protons and also 12 electrons. It lost two electron to form magnesium cation (Mg²⁺) with secure electron configuration choose closest noble gas neon (Ne) v 10 electrons.

Electron construction of magnesium ion: ₁₂Mg²⁺ 1s² 2s² 2p⁶.

2) Fluorine (F) is nonmetal with greatest electronegativity, i beg your pardon meand it quickly gain electrons.

Fluorine jas atom number 9, which method it has actually 9 protons and also 9 electrons. It gain one electron to form fluorine anion (F⁻) with stable electron configuration favor closest noble gas neon (Ne) with 10 electrons.

Electron configuration of fluorine ion: ₉F⁻ 1s² 2s² 2p⁶.

The fluorine has one preventive electron every atom and also the magnesium has actually a need for 2. This means for one magnesium you require two fluorine atom making the formula MgF2.

d.)

MGF2

Explanation:

It would result as the formula to it is in MgF2

The answer would certainly be D. This is because you cross-cross the charges.

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