Technetium Element Cube - 2" Acrylic Display - Atomic Number 43

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Technetium's atomic number is 43 and its symbol is Tc. It is a silvery-gray transition metal, tarnishes slowly in moist air, and is the lightest radioactive element. It dissolves i n nitric acid, aqua regia (nitro-hydrochloric acid) and concentrated sulfuric acid, but is not soluble in any strength of hydrochloric acid. Its name comes from the Greek technetos, artificial. This is due to the element not appearing in nature. Therefore, it can only be produced in a laboratory. Technetium is a remarkable corrosion inhibitor for steel, and is an excellent superconductor. This display is contained within crystal clear lucite acrylic. Please note that this item might be classified as hazardous material in certain countries. We suggest checking local guidelines to ensure compliance before placing your order. Show more