The collection contains 83 individual element samples. Due to its rarity and radioactivity, Technetium, Promethium. Uranium, Thorium, elements 84 (Polonium), and 118 (Oganesson) were excluded (for obvious reasons).
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It can be placed in the classroom to stimulate students' interest in chemistry, or it can be placed in the laboratory. It is a very practical tool.
A PROFESSIONAL TOOL：Especially designed for students, teachers and also for professionals in various engineering and scientific industries. It is ideal for teaching and inspiring.
100% Safety: Each element is carefully embedded into the acrylic creating a unique and visually appealing piece of art.
Dimensions: 6×4.5×0.8 inch
Material: Lucite Acrylic (Made in the USA)
Element Embedments: 83 elements
Non-pure Elements: Fluorine (represented by natural fluorite), Radon (represented by granite), Uranium (represented by Autunite ore), Thorium (represented by thoriated metal)