{"product_id":"neptunium-element-cube","title":"Neptunium Element Cube - 2\" Acrylic Display - Atomic Number 93","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eNeptunium's atomic number is 93 and its symbol is Np. It is is a hard, silvery, ductile, radioactive actinide metal, and can be found in 5 different colors depending on its oxidation state. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eNeptunium's position in the periodic table just after uranium, named after the planet Uranus, led to it being named after Neptune, the next planet beyond Uranus. Also, it was the first trans uranium element, with an atomic mass heavier than uranium, once thought to be the heaviest element.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eIt is normally used to form Plutonium for spacecraft and military applications, but you may find neptunium in your smoke detector. Ionisation-type smoke detectors use tiny amounts of the radioisotope americium-241, but over time this decays into neptunium-237.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis display is contained within crystal clear lucite acrylic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003e\u003cspan data-mce-fragment=\"1\" mce-data-marked=\"1\"\u003ePlease 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.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Engineered Labs","offers":[{"title":"Default Title","offer_id":50804959412509,"sku":"AC-102093-N1","price":53.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0059\/0158\/2449\/files\/Neptunium_Cube_Facing_Left_White_Background.png?v=1767645721","url":"https:\/\/stemcell.eco\/products\/neptunium-element-cube","provider":"Stemcell Science Shop","version":"1.0","type":"link"}