The four-chart set covers key concepts related to the study of Elements, Mixtures & Compounds. Each 18” x 12” chart is double-sided and laminated. One side provides an illustrated overview of the topic, while the reverse features “write-on/wipe-off” graphic organizers, problem-based questions and other review activities. The Elements, Mixtures & Compounds Bulletin Board Chart Set includes the following charts: Elements, Mixtures & Compounds Acids, Bases & Salts Chemical Reactions Elements & the Periodic Table.