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  1. en.wikipedia.org › wiki › DubniumDubnium - Wikipedia

    Dubnium. body-centered cubic (bcc) (predicted)[4] Dubnium is a synthetic chemical element; it has symbol Db and atomic number 105. It is highly radioactive: the most stable known isotope, dubnium-268, has a half-life of about 16 hours. This greatly limits extended research on the element.

  2. 12 lip 2024 · It is a synthetic, highly radioactive metal in the transactinide series, first synthesized in 1968. This article explores the properties, uses, health risks, and interesting facts associated with dubnium, providing a comprehensive understanding of this rare element.

  3. Element Dubnium (Db), Group 5, Atomic Number 105, d-block, Mass [268]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. 25 lip 2019 · Dubnium is a super-heavy or transactinide element. If a sufficient amount were ever produced, its chemical properties are expected to be similar to that of the transition metals. It would be most similar to the element tantalum. Dubnium was first made by bombarding americium-243 with neon-22 atoms. All isotopes of dubnium are radioactive. The ...

  5. Dubnium has one hundred five protons and one hundred fifty neutrons in its nucleus, and one hundred five electrons in seven shells. It is located in group five, period seven and block d of the periodic table. Also known as Hahnium, Ha. Radioactive transactinide element. Half-life of 1.6s.

  6. Dubnium is a transition metal that belongs to the 6d series, group 5 of the periodic table. It is placed under niobium, vanadium and tantalum and is predicted to have similarity with these elements, especially niobium.

  7. Discover the world of Dubnium (Element 105), a synthetic, highly radioactive element. Learn about its history, properties, and significance in scientific research. This comprehensive guide delves into Dubnium's physical and chemical properties, abundance, safety precautions, and more.

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