Answered: Which of the following is the correct…

Which of the following is the correct value of the electronvolt, measured in SI Units? A. 1.6 × 10–19 N B. 1.6 × 10–19 J C. 9.1 × 10–31 N D. 9.1 × 10–31 J

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter6: Atoms And Spectra

Section: Chapter Questions

Problem 3RQ

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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.

Question

Which of the following is the correct value of the electronvolt, measured in SI Units?
A. 1.6 × 10–19 N
B. 1.6 × 10–19 J
C. 9.1 × 10–31 N
D. 9.1 × 10–31 J

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