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| Gain a Better Understanding of the Structure of Matter |
Students will not only love to build these mobiles, but they’ll also be able to hang their work from the ceiling for display. The set includes 74 wooden spheres in nine colors representing nuclei and electrons; 19 large rings, scaled to represent the covalent radii of elements from hydrogen to potassium; a periodic table; an assortment of fine monofilament and small parts to assemble and suspend the models; and a detailed instruction manual.
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