Contributions of Individuals to the Quantum Atomic Theory

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Issue:

Science

 

Written by:

Grady N

 

Date added:

November 24, 2014

 

Level:

University

 

Grade:

C

 

No of pages / words:

7 / 1734

 

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8977 times

 

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Essay content:

However, he came across a problem during one of his experiments in 1909. In one of his experiments, he directed a beam of alpha particles at a piece of gold foil that was 8.6x10-6 cm thin. Based on J.J. Thomson’s theory of the atom, a positive charged sphere with electrons scattered through out the atom that cancelled out the charge, the beam of alpha particles would go through the thin piece of gold foil...
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In his observations, many of the alpha particles went through the foil while a few were deflected by a couple of degrees. He noticed that one in about eight thousand alpha particles deflected on the gold foil back to the radioactive source. Rutherford thought something must have deflected the particle and as a result, his two students Hans Geiger and Ernest Marsden conducted the same experiment and would end up to take to 1913...
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