Ions, simple ions, polyatomic ions, cations and anions

This video introduces the basic concepts of cations, anions, simple ions and polyatomic ions. You will learn how to find the simple cations and anions from the periodic table. A list of most common polyatomic ions are provided for you to memorize. The concepts of metals, metalloids, non-metals, alkaline metals, alkaline earth metals, halogens, chalcogens, noble gases, transition metals are also introduced.