Name each of the following ionic or molecular compounds: a. A I2(S O4)3, antiperspirant b. CaCO3

step 1 questionnaire wants us to name each of the compounds below. So A here we have AL2, S -O -4 -3. T

Name each of the following ionic or molecular compounds: a....

Name each of the following ionic or molecular compounds: a. $\mathrm{A I}_{2}\left(\mathrm{S O}_{4}\right)_{3},$ antiperspirant b. $\mathrm{CaCO}_{3},$ antacid c. $\mathrm{N}_{2} \mathrm{O},$ "Iaughing gas," inhaled anesthetic d. $\mathrm{Mg}(\mathrm{OH})_{2},$ laxative e. $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4},$ fertilizer

Name each of the following ionic or molecular compounds:
a. $\mathrm{A I}_{2}\left(\mathrm{S O}_{4}\right)_{3},$ antiperspirant
b. $\mathrm{CaCO}_{3},$ antacid
c. $\mathrm{N}_{2} \mathrm{O},$ "Iaughing gas," inhaled anesthetic
d. $\mathrm{Mg}(\mathrm{OH})_{2},$ laxative
e. $\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4},$ fertilizer

Key Concepts

Polyatomic Ions

Polyatomic ions are charged entities composed of several atoms covalently bonded together, that behave as a single ion in solutions or ionic compounds. Knowledge of the common polyatomic ions, their formulas, and their names is crucial when naming ionic compounds, especially since many ionic compounds contain familiar ions like sulfate, carbonate, hydroxide, and ammonium.

Molecular (Covalent) Compounds

Molecular compounds are formed by atoms of two or more nonmetals covalently bonded together. Their naming typically uses prefixes to denote the number of atoms of each element present in the compound. The prefix for one is often omitted for the first element. The systematic naming provides information on the component atoms and their quantities, allowing for a clear representation of the compound's molecular structure.

Ionic Compounds

Ionic compounds consist of positively charged ions (cations) and negatively charged ions (anions) held together by electrostatic forces. The nomenclature of these compounds follows rules where the name of the cation is stated first, followed by the name of the anion. When the cation is a metal that can form ions of different charges, its name is often followed by its oxidation state using Roman numerals in parentheses. Familiarity with polyatomic ions and their common names is also an important aspect of naming ionic compounds.

Chemical Nomenclature

This concept involves applying systematic rules to assign names to chemical compounds based on their composition and structure. It encompasses the guidelines provided by IUPAC, which include specific rules for naming ionic compounds, molecular (covalent) compounds, coordination compounds, and others. Understanding chemical nomenclature is essential to ensure clarity and consistency in the identification and communication of chemical substances.

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