CK-12 Foundation
Ck 12: Physical Science: Balancing Chemical Equations
[Free Registration/Login may be required to access all resource tools.] How to balance a chemical equation and using coefficients.
CK-12 Foundation
Ck 12: Plix Series: Radioactive Decay: Writing Chemical Equations
[Free Registration/Login Required] Use the provided symbols to generate and build chemical equations. Then answer one multiple choice challenge question about the topic.