Stable and unstable nuclei

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The Stong Nuclear Force

  • The strong nuclear force is an attractive force that is stronger than the electronstatic force.
  • The strong nuclear force has a very stort range of upto 5 femtometres (5x10^15)
  • The strong nuclear force works equally between all nucleons.
  • The strong nuclear force is repulsive at very short ranges (0.5 femtometres).

(http://astarmathsandphysics.com/ib-physics-notes/atomic-and-nuclear-physics/ib-physics-notes-the-strong-nuclear-force-html-m766d89d1.gif)

Radiation

Alpha emmison:

  • Only happens in very large atoms. (more…

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