Dr. Kent McCorkle, or “Dr. Kent” to his students, has been privileged to teach chemistry at multiple colleges and universities over the past two decades.

Chemistry Practice Problems: Naming Ionic Compounds

[Download the accompanying PDF worksheet.] Name the following ionic compounds: Na3P Cu2S Sr3N2 W(SO4)3 Fe(MnO4)3 Ti(BrO4)4 Mn2O7 Ca(NO2)2 PbSe2



Chemistry Lesson: Naming Ionic Compounds

[Get more Practice Problems on Naming Ionic Compounds here.]



Chemistry Lesson: Formulas for Ionic Compounds

[View the accompanying Practice Problems on Formulas for Ionic Compounds here.] [Get more Practice Problems on Formulas for Ionic Compounds here.]



Chemistry Lesson: Identifying Ionic vs. Molecular Compounds



Chemistry Practice Problems: Naming Chemical Compounds

[Download the accompanying PDF worksheet here.] Name the following ionic compounds, molecular compounds, and acids: Al2S3 H3PO3(aq) P2O5 Cu(OH)2 HClO4(aq) K2O (NH4)2CO3 HC2H3O2(aq) Ni(SO4)2



Chemistry Practice Problems: Formulas of Chemical Compounds

[Download the accompanying PDF worksheet here.] Determine the formulas of the following ionic compounds, molecular compounds, and acids: lead(II) chloride magnesium phosphate nitrogen triiodide hydrofluoric acid calcium nitride tin(IV) oxide dichlorine heptaoxide sodium hydrogen sulfate triantimony hexasulfide



Chemistry Practice Problems: Formulas for Ionic Compounds

[View the accompanying Lesson on Formulas for Ionic Compounds here.] [Download the accompanying PDF worksheet here.] Write formulas for the following ionic compounds: barium sulfide aluminum selenate manganese(V) oxide beryllium hypoarsenite gallium phosphide iron(II) phosphite platinum(II) cyanide mercury(II) hydrogen carbonate lithium … Read More



Chemistry Lesson: Polyatomic Ions

[Download the PDF of Chemical Nomenclature Rules here.] What Are Polyatomic Ions? Unlike monoatomic ions, which are composed of a single atom, polyatomic ions are composed of many atoms.  (The prefix poly- means “many,” as in polygon or polytheism.) There are some rules … Read More