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Rutherford
Part 1 of Paper
.... working on his B.Sc. at the University of New
Zealand in 1894. He showed that the magnetization can
be removed from a magnetized iron needle by dissolving
the surface layer of the metal in acid.
He began work at Cambridge in 1895 and was a
professor at the University of Manchester from 1907 on.
It is during this time .... Part 2 of Paper
.... to the size of the nucleus itself.
In 1919, he discovered the "artificial disintegration" of
nitrogen. His experiments show that under alpha
radiation, nitrogen is decomposed and hydrogen is
formed. Rutherford also devised an electrical method for
counting the number of alpha particles emitted from
radioactive substances. Using this method, he measured
the number of alpha particles expelled per second from
one gram of radium to be 34000.
Before Rutherford, the smallest particle of matter was.... |
| Number of words: 359 - Approximate pages: 2 |
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