Lesson Plan: Nuclear Radius | Nagwa Lesson Plan: Nuclear Radius | Nagwa

Lesson Plan: Nuclear Radius

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to calculate the radii of atomic nuclei from their atomic numbers.


Students will be able to

  • recall that the radius of a proton is approximately 1.2 fm,
  • calculate the radius of a nucleus, 𝑟, using the equation 𝑟=𝑟𝐴, where 𝑟 is proton radius and 𝐴 is the atomic number of the nucleus.


Students should already be familiar with

  • atomic number,
  • femtometers.


Students will not cover

  • any details of nuclear structure,
  • any discussion of forces within a nucleus,
  • any discussion of nuclear stability.

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