nuclear weapon

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Issue:

Science

 

Written by:

Thomas B

 

Date added:

May 1, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 456

 

Was viewed:

9376 times

 

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Essay content:

The binding energy of these three isotopes is so low that when a neutron is captured, the energy released by rearrangement exceeds it. The nucleus is then no longer stable and must either shed the excess energy, or split into two pieces. Since fission occurs regardless of the neutron's kinetic energy (i...
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The nucleus is then no longer stable and must either shed the excess energy, or split into two pieces. Since fission occurs regardless of the neutron's kinetic energy (i.e. no extra energy from its motion is needed to disrupt the nucleus), this is called "slow fission". By contrast, when the abundant isotope uranium-238 captures a neutron it still has a binding energy deficit of 1 MeV after internal rearrangement...
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