Chapter 9: Problem 9
Name one ionic compound that contains only nonmetallic elements.
Chapter 9: Problem 9
Name one ionic compound that contains only nonmetallic elements.
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Get started for freeDefine bond enthalpy. Bond enthalpies of polyatomic molecules are average values. Why?
Four atoms are arbitrarily labeled \(\mathrm{D}, \mathrm{E}, \mathrm{F},\) and \(\mathrm{G}\). Their electronegativities are: \(\mathrm{D}=3.8, \mathrm{E}=3.3, \mathrm{~F}=\) \(2.8,\) and \(\mathrm{G}=1.3\). If the atoms of these elements form the molecules DE, DG, EG, and DF, how would you arrange these molecules in order of increasing covalent bond character?
Write Lewis structures for the reaction $$ \mathrm{AlCl}_{3}+\mathrm{Cl}^{-} \longrightarrow \mathrm{AlCl}_{4}^{-} $$ What kind of bond is between \(\mathrm{Al}\) and \(\mathrm{Cl}\) in the product?
Is it possible to "trap" a resonance structure of a compound for study? Explain.
The triiodide ion \(\left(\mathrm{I}_{3}^{-}\right)\) in which the \(\mathrm{I}\) atoms are arranged as III is stable, but the corresponding \(\mathrm{F}_{3}^{-}\) ion does not exist. Explain.
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