Demolisyon estrikti molekilè. NaCl, Gwo

Konstwi pa boul plastik Dia.60mm & baton metal, ki montre estrikti molekilè nan NaCl, ki gen ladan: –Cl, boul vèt ak 8 twou 16 pcs, –Na, Gray boul ak 6 twou 14 pcs, –Metal lyen 6cm 54 pcs