#wikipedia.org. dubnium. 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. Dubnium does not occur naturally on Earth and is produced artificially. The Soviet Joint Institute for Nuclear
  • atomic # 105
  • Symbol: Db
#Business #Science #commodities market
Filter: #nil ×
Showing 1-1 of 1 item - Time: 0.1293 s. Memory: 13.3777 mb.