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Description
Copernicium Element CubeCopernicium's atomic number is 113 and its symbol is Cn. Its known isotopes are extremely radioactive and have only been created in a laboratory. The most stable known isotope, copernicium 285, has a half life of approximately 28 seconds. It is named after the astronomer Nicolaus Copernicus, and it was first created in 1996 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. Copernicium is calculated to have several properties
Copernicium's atomic number is 113 and its symbol is Cn. Its known isotopes are extremely radioactive and have only been created in a laboratory. The most stable known isotope, copernicium-285, has a half-life of approximately 28 seconds. It is named after the astronomer Nicolaus Copernicus, and it was first created in 1996 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. Copernicium is calculated to have several properties that differ from its lighter homologs in group 12, and it may have more similarities to the noble gases such as radon. Predictions vary on whether solid copernicium would be a metal, semiconductor, or insulator. 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.
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4.6 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Wonderful
Size: Cooling Queen, Size: Cooling Queen
I absolutely love these pillows From the very first night, I could feel the difference. They are incredibly comfortable, soft, and still provide great support for my neck and head. Plus, the modern design makes my bed look so much cleaner and more elegant. The fabric feels high quality, and the pillows keep their shape really well. I genuinely feel like I’m sleeping better since I started using them. Great value for the price, and I would definitely buy them again. Highly recommend
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great pillow
Size: Queen(Pack of 2)
Very comfortable pillows, medium softness with support
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Reviewed in the United States on May 18, 2026
★★★★★ 5
No more neck pain
Size: Queen(Pack of 2)
I needed new pillows and I’ll be the first to admit that I’m picky about my pillow. I had ordered different ones to try and these were the keepers. They are not too soft nor too firm. I wake up with neck pain and headaches if I don’t have a good pillow. I’m not experiencing any either one now. Make the purchase for yourself and try them.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Fluffy and soft pillows
Size: Queen(Pack of 2)
Super soft and nice thick pillows. Quality was perfect.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
I'm replacing all of the bed pillows in the house.
Size: Cooling Queen
Best pillows ever. No stiff neck in morning, I have ordered more. Perfect loft, no chopped up foam. Cool on one side.
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Reviewed in the United States on May 19, 2026