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Uses of Dubnium Dubnium is of research interest only. Abundance and Isotopes Abundance earth’s crust: nil Abundance solar system: parts per billion by weight, parts per trillion by moles Cost, pure: $ per 100g Cost, bulk: $ per 100g Source: Dubnium is a synthetic radioactive metal, created by nuclear bombardment, and has only been produced in tiny amounts. Dubnium is made by bombarding californium-249 with nitrogen. It can also be produced by bombarding americium-243 with neon. Isotopes: Dubnium has 12 isotopes whose half-lives are known, with mass numbers from 256 to 270. None are stable. The most stable isotope is 268Db, with a half-life of 32 hours. |