Dubnium - Wikipedia
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. …
𨧀 - 维基百科，自由的百科全书
𨧀 dù （英語： Dubnium），是一種 人工合成 的 化學元素，其 化學符號 为 Db， 原子序數 为105。 𨧀是一種極具 放射性 的 超重元素 及 錒系後元素，其最穩定的已知 同位素 𨧀-268的 半 …
Dubnium - Element information, properties and uses | Periodic …
Element Dubnium (Db), Group 5, Atomic Number 105, d-block, Mass [268]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
𬭊（人工合成化学元素）_百度百科
𬭊是一种人工合成的 放射性 化学元素，它的 元素符号 是Db，它的 原子序数 是105，属于 过渡金属 之一。 它已被证实是VB族元素。 发现机构包括美国 加州大学伯克利分校 、 劳伦斯伯克利 …
Dubnium | Db (Element) - PubChem
Dubnium is a chemical element with symbol Db and atomic number 105. Classified as a transition metal, Dubnium is a solid at room temperature. 6.8 ± 0.5 eV (Theoretical value.)
Dubnium | Synthetic, Radioactive, Transuranic | Britannica
dubnium (Db), an artificially produced radioactive transuranium element in Group Vb of the periodic table, atomic number 105. The discovery of dubnium (element 105), like that of …
Dubnium (Db) Element: Important Properties, Discovery, Uses, …
2024年3月8日 · Dubnium is a synthetic transition metal with an atomic number of 105 and is represented by the symbol ‘Db’ in the periodic table. It is silvery in appearance and belongs to …
Dubnium | CCDC - University of Cambridge
Dubnium is a superheavy synthetic element that does not occur in nature. The Joint Institute for Nuclear Research in Dubna, Russia, first claimed to have discovered the element in 1968; the …
Dubnium Element | Uses, Facts, Physical & Chemical Characteristics
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 …
105 钅杜 Db - 化学空间 Chem-Station
2020年5月1日 · 钅杜是一种人工合成的放射性元素，杜布纳联合核研究所用 22 Ne轰击 243 Am制得，得名于「杜布纳联合核子研究所」。 铀是自然界中存在的质量数最大的元素，比铀更重 …