Which results in a more valuable product? Adding or subtracting protons from gold nuclei?
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In the Rutherford scattering experiment, 4.00-MeV alpha particles scatter off gold nuclei (containing 79 protons and 118 neutrons). Assume a particular alpha particle moves directly toward the gold nucleus and scatters backward at 180∘, and that the gold nucleus remains fixed throughout the entire process. Determine (a) the distance of closest approach of the alpha particle to the gold nucleus and (b) the maximum force exerted on the alpha
Review. In the Rutherford scattering experiment, 4.00-MeV alpha particles scatter off gold nuclei (containing 79 protons and 118 neutrons). Assume a particular alpha particle moves directly toward the gold nucleus and scatters backward at 180 degrees, and that the gold nucleus remains fixed throughout the entire process. Determine
(a) the distance of the closest approach of the alpha particle to the gold nucleus and
(b) the maximum force exerted on the alpha particle.
Which of the following statements are true about nuclei and thenuclear force?1)The nuclear force is a short-range repulsive force.2)The nuclear force is weaker than the electric (Coulomb)force.3)The mass number (A) indicates the number of nucleons in anucleus.4)Isotopes are nuclei that have the same number of neutrons, butdifferent numbers of protons.5)There are Z protons in a nucleus (where Z is atomicnumber).6)The chemical symbol is determined by the atomic mass number, A.