Answered: Rutherford found the size of the…

Rutherford found the size of the nucleus to be about 10-15 m. This implied a huge density. What would this density be in kg/m3 for gold? (Assume that the "size" of the nucleus is its diameter.) kg/m3

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter10: Nuclear Physics

Section: Chapter Questions

Problem 23P: The mass (M) and the radius (r) of a nucleus can be expressed in terms of the mass number, A. (a)...

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Concept explainers

Rutherford's scattering experiment

Rutherford’s scattering experiment is also known as the gold foil experiment. This experiment disproved the plum pudding model of J.J. Thomson. In a gold foil experiment, high-energy alpha particles are made to strike a thin gold foil. The scattered alpha particles are detected using a detector. This experiment showed that the positive charge of the atom is at the center. Most of the atom’s mass is also confined to a small volume at the center. This region is known as the nucleus of the atom.

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Rutherford found the size of the nucleus to be about 10^-15 m. This implied a huge density. What would this density be in kg/m³ for gold? (Assume that the "size" of the nucleus is its diameter.)

kg/m³

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