This chemistry video tutorial explains how to memorize the polyatomic ions. It provides the name of the common polyatomic ions, the charges and their respective formulas as well. Common polyatomic ions include sulfate, nitrate, acetate, ammonium, hydroxide, sulfite, cyanide, phosphate, disulfide, bicarbonate, hydrogen sulfate, bisulfite, chromate, dichromate, pyrophosphate, permanganate, thiosulfate, peroxide, superoxide, oxalate, borate, iodate, perchlorate, hypochlorite, bromite, and nitrite just to name a few. This video contains plenty of examples and practice problems including a quiz that tests you to see if you remember the common polyatomic ions. Polyatomic Ions - Free Formula Sheet: Chemistry Chapter 2 - Video Lessons: Chemistry 1 Final Exam Review: Final Exam and Test Prep Videos: Algebra Review: ___________________________________ Chemistry - Basic Introduction: Unit Conversion Problems: Physical Vs Chemical Properties: Elements, Atoms, & Molecules: Protons, Neutrons, & Electrons: Average Atomic Mass: ___________________________________ Ionic and Covalent Bonding: Naming Molecular Compounds: Memorize The Polyatomic Ions: Writing Formulas - Molecular Compounds: Naming Ionic Compounds: _____________________________________ Naming Transition Metal Compounds: Writing Formulas - Ionic Compounds: Writing Formulas - Polyatomic Ions: Naming Acids In Chemistry: Introduction to Moles: _____________________________________ Final Exams and Video Playlists: Full-Length Videos and Worksheets: