CK-12 Foundation
Ck 12: Chemistry: Molecular Formula
[Free Registration/Login may be required to access all resource tools.] Defines molecular formula and describes how to write molecular formulas.
CK-12 Foundation
Ck 12: Chemistry: Naming Acids
[Free Registration/Login may be required to access all resource tools.] Defines acid, naming of acids, and writing formulas for acids.
CK-12 Foundation
Ck 12: Physical Science: Molecular Compounds
[Free Registration/Login may be required to access all resource tools.] Definition of covalent compound, how they are named and how they differ from ionic compounds.
Frostburg State University
General Chemistry Online: Ionic and Molecular Compounds
Provides a good outline of the concepts involved in ionic and covalent bonding, with links to definition of terms. Features a list of common molecular compounds and a chart that compares ionic and molecular compounds.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molar Mass Conversion Factors
Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.
Frostburg State University
Frostburg State Chemistry Online: Classifying Compounds Quiz
A short 6-question online quiz to test your knowledge of compounds. Explains the correct answers after the students answers have been submitted.