Lesson: Formulas of Ionic Compounds
In this lesson, we will learn how to deduce the chemical formulas of salts from the charges of their constituent cations and anions.
Sample Question Videos
Worksheet: 5 Questions • 1 Video
Iron(II) sulfate is composed of and ions. In order to form a neutral salt, what must the ratio between the two ions be?
Iron(III) ions have a charge of 3+ and oxide ions have a charge of . What is the formula of iron(III) oxide?
Sodium ions have a charge of and chloride ions have a charge of . What is the formula of the compound formed from sodium ions and chloride ions?