neptunium : Definition, Usages, News and More
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- n a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
- On the more fanciful side, californium, for the laid-back customer, einsteinium, for the exceptionally wise money manager, neptunium, for stratospheric credit limits, and, for .
- Atomic experts bombarded uranium with atomic particles from the cyclotron and produced neptunium, a new "synthetic" element with 93 electrons.
- Some of the neutrons produced by these fissions are absorbed by the more phlegmatic U-238; This forms a new, unstable element, neptunium, which soon turns into plutonium.