How are atoms arranged in a metallic solid and in an ionic compound? Are the arrangements of atoms random or is there a “system” to it with regular “repeating units? In this two-part lab, students will build models of the three cubic crystal lattice structures and the closest-packed arrangements using polystyrene foam spheres and wire connectors. Students then analyze the models to determine the total number of atoms or ions in each unit cell. Kit comes complete with 84 2-inch spheres, 72 1-inch spheres, and wire connectors, along with Teacher Notes, extensive background material, and reproducible student handouts.
Super Value Kit is complete for six student groups. All materials are reusable!
Additional ResourcesNo Additional Resources at the time.
Flinn Catalog/Reference Manual Page 431
Flinn Middle School Catalog/Reference Manual Page 381
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