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Uranium
Part 1 of Paper
.... its Symbol is U and the atomic mass
of is 238.0289. Miners called it Pechblende meaning, Pechblende, from
the German words pech, which means either pitch or bad luck, and blende, meaning
mineral Uranium's first full analysis was done on 1789 by Martin Klaproth, a
self-taught well educated german chemist. Klaproth, ha.... Part 2 of Paper
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atomic mass. Experimentation with uranium lead to many discoversies such as the
X-ray by Wilhelm Röntgen, on November 8, 1895.
Wilhelm Röntgen, was awarded the first Nobel prize in 1901 for the development
of the X-ray. Uranium is weakly radioactive, decaying slowly but inexorably at
the rate of one milligram per tonne per year. It is transformed into inactive
lead through a chain of radioelements or daughters, each of which has a
characteristic disintegration rate, a constant of nature that.... |
| Number of words: 394 - Approximate pages: 2 |
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