Which is the correct chemical formula for the ioniccompound magnesium chloride? (2.4) k/U(a) MgCl(b) Mg 2Cl(c) Mg 2Cl2(d) MgCl 2
Question
Which is the correct chemical formula for the ioniccompound magnesium chloride? (2.4) k/U(a) MgCl(b) Mg 2Cl(c) Mg 2Cl2(d) MgCl 2
Solution
The correct chemical formula for the ionic compound magnesium chloride is (d) MgCl2.
Here's why:
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Magnesium (Mg) is a metal from group 2 of the periodic table and it forms ions with a charge of +2.
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Chlorine (Cl) is a non-metal from group 17 of the periodic table and it forms ions with a charge of -1.
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In an ionic compound, the total positive charge must balance the total negative charge.
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Therefore, one magnesium ion Mg2+ can balance the charge of two chloride ions Cl-.
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So, the formula of magnesium chloride is MgCl2.
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