Answered: If a neutral element has 8 neutrons and…

If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the element? A.15/7 N B. 8/15 O C. 15/8 O D. 7/8 O E. None of these

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter30: Nuclear Physics

Section: Chapter Questions

Problem 32P

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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

If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the element?

A.15/7 N

B. 8/15 O

C. 15/8 O

D. 7/8 O

E. None of these

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