This Tutor brings together all the factors involved in successfully writing chemical formulas for ionic compounds. You will learn the names, formulas and charges of the common cations and anions and how to use that information to correctly write chemical formulas for ionic compounds. The Tutor will show you that memorizing chemical formulas is unnecessary by teaching you the proper, scientific way to think about the combining of ions to form ionic compounds. You can select the combining ions and determine the formula similar to working the problem with paper and pencil. The Tutor comments on each step you make and provides hints as needed, emphasizing every factor that must be considered to solve the problem correctly.

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