Αποτελέσματα Αναζήτησης
17 Ιαν 2017 · Get periodic table facts on the chemical and physical properties of the element bohrium, element number 107 with element symbol Bh.
Bohrium does not occur naturally in the Earth’s crust. Bohrium was first synthesized by German scientists at the GSI Center for Heavy Ion Research in Darmstadt, Germany in 1981 using the nuclear reaction 209Bi (54Cr, n) 262Bh. The element is named for Niels Bohr (Figure 4.107.1), the Nobel Prize winning physicist [646, 647].
23 Οκτ 2013 · Bohrium is a synthetic element about which little is known. It is presumed to be a solid metal, but since only a few atoms of it have been created, it is difficult to study.
Bohrium is a synthetic element so its existence was discovered by two groups. First time in 1976 a team led by Yuri Oganessian (Russia), bombarded bismuth-209 and with chromium-54 and produced an isotope of a novel element that has an atomic mass of 261 and a half-life of around 2 millisecond.
Element Bohrium (Bh), Group 7, Atomic Number 107, d-block, Mass [270]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
17 Δεκ 2012 · Bohrium is produced by bombarding a bismuth target using chromium atoms through cold fusion method. 209 Bi + 54 Cr → 262 Bh + n. Key Properties. The key properties of bohrium include the following: It is a synthetically made radioactive element; It is expected to have chemical properties similar to that of rhenium. Applications
6 Μαρ 2024 · Bohrium is a synthetic transition metal with an atomic number of 107 and is represented by the symbol ‘Bh’ in the periodic table. It is silvery in appearance and belongs to the d-block of period 7 of the periodic table. Bohrium was the fourth transactinide (super-heavy) element identified.
