Attract students to the study of solutions with this unique building set with magnetic parts that simulate the electrical forces between substances. Using the plastic building pieces, students construct water and salt molecules to illustrate how table salt is dissolved by water. Students then discover why gasoline does not dissolve in water, why only some molecules are soluble in water, and more. Includes student activity guide.Contents:1 NaCl crystal4 oxygen atoms, with magnets6 hydrogen atoms, with magnets16 carbon atoms38 hydrogen atoms58 bonds
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