Extras

    Video thumbnail: Science Trek Compounds:  Compounds vs. Mixture

    Science Trek

    Compounds: Compounds vs. Mixture

    What's the difference between a compound and a mixture?

    Compounds: Compounds vs. Mixture

    Video thumbnail: Science Trek Compounds:  Compound Formulas

    Science Trek

    Compounds: Compound Formulas

    What is a chemical formula?

    Compounds: Compound Formulas