"Dessus de bouchon"
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Lab-Aids® Sublevel Orbitals of the Atom Models
Students Assemble Their Own Spatial 3-dimensional Models.
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Universe of Science Chemistry Bits Demonstrations
Set of 14 mini‑chemistry experiments exploring key chemical concepts for classroom fun.
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Water Molecule Model Set, Eisco Scientific
Five part set to demonstrate the structure of a single water molecule.
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