Elements in the same group of the periodic table often form oxyanions with the same general formula. The anions are also named in a similar fashion. Based on these observations, suggest a chemical formula or name, as appropriate, for each of the following ions: (b) SeO32-
Ch.2 - Atoms, Molecules, and Ions
Chapter 2, Problem 113c
Because many ions and compounds have very similar names, there is great potential for confusing them. Write the correct chemical formulas to distinguish between (c) aluminum nitride and aluminum nitrite
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Ionic Compounds
Ionic compounds are formed from the electrostatic attraction between positively charged cations and negatively charged anions. In the case of aluminum nitride and aluminum nitrite, aluminum acts as the cation, while nitride and nitrite are different anions. Understanding the nature of these compounds is essential for writing their correct chemical formulas.
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Ionic Compounds Naming
Nomenclature of Ions
The nomenclature of ions involves the systematic naming of ions based on their composition and charge. Aluminum nitride contains the nitride ion (N³⁻), while aluminum nitrite contains the nitrite ion (NO₂⁻). Recognizing the differences in these ions is crucial for distinguishing between the two compounds and writing their correct formulas.
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Ion Formation
Chemical Formula Representation
Chemical formulas represent the composition of a compound, indicating the types and numbers of atoms present. For aluminum nitride, the formula is AlN, while for aluminum nitrite, it is Al(NO₂)₃. Understanding how to construct and interpret these formulas is vital for accurately distinguishing between similar compounds.
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Related Practice
Textbook Question
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Textbook Question
Elements in the same group of the periodic table often form oxyanions with the same general formula. The anions are also named in a similar fashion. Based on these observations, suggest a chemical formula or name, as appropriate, for each of the following ions: (d) hydrogen tellurate ion.
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Textbook Question
Many familiar substances have common, unsystematic names. For each of the following, give the correct systematic name: (d) muriatic acid, HCl
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Textbook Question
Because many ions and compounds have very similar names, there is great potential for confusing them. Write the correct chemical formulas to distinguish between (g) mercurous chloride and mercuric chloride
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