04:15Types of Matter: Elements, Compounds, and MixturesProfessor Dave Explains3255views27rank1comments
10:02Classifying Matter With Practice Problems | Study Chemistry With UsMelissa Maribel1226views2rank
06:59Classification of matter | Element, compound, homogeneous mixture, heterogeneous mixture - Dr KChemSimplified769views1rank
07:50Pure Substances, Elements, Compounds, Homogenous & Heterogenous Mixture Examples and ProblemsConquer Chemistry1557views
04:353 States of Matter for Kids (Solid, Liquid, Gas): Science for Children - FreeSchoolFree School1495views3rank