Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions:Mg2+, Cr4+, Br−, O2−
Question
Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions:Mg2+, Cr4+, Br−, O2−
Solution 1
Sure, here are four binary ionic compounds that could be formed from the given ions:
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Magnesium Bromide (MgBr2): This is formed by the combination of Mg2+ and Br− ions. Since the charge on the magnesium ion is +2 and the charge on the bromide ion is -1, two bromide ions are needed to balance the charge of one magnesium ion.
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Magnesium Oxide (MgO): This is formed by the combination of Mg2+ and O2− ions. The charges on both ions are equal and opposite, so they balance each other out.
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Chromium(IV) Bromide (CrBr4): This is formed by the combination of Cr4+ and Br− ions. Since the charge on the chromium ion is +4 and the charge on the bromide ion is -1, four bromide ions are needed to balance the charge of one chromium ion.
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Chromium(IV) Oxide (CrO2): This is formed by the combination of Cr4+ and O2− ions. Since the charge on the chromium ion is +4 and the charge on the oxide ion is -2, two oxide ions are needed to balance the charge of one chromium ion.
Solution 2
Sure, here are four binary ionic compounds that could be formed from the given ions:
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Magnesium Bromide (MgBr2): This compound is formed by the combination of Mg2+ and Br− ions. Since the charge on the magnesium ion is +2 and the charge on the bromide ion is -1, two bromide ions are needed to balance the charge of one magnesium ion.
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Magnesium Oxide (MgO): This compound is formed by the combination of Mg2+ and O2− ions. The charges on the magnesium and oxide ions are equal and opposite, so they combine in a 1:1 ratio.
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Chromium(IV) Bromide (CrBr4): This compound is formed by the combination of Cr4+ and Br− ions. Since the charge on the chromium ion is +4 and the charge on the bromide ion is -1, four bromide ions are needed to balance the charge of one chromium ion.
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Chromium(IV) Oxide (CrO2): This compound is formed by the combination of Cr4+ and O2− ions. Since the charge on the chromium ion is +4 and the charge on the oxide ion is -2, two oxide ions are needed to balance the charge of one chromium ion.
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