Consider an object of mass 26.1 kg. Assume that it s made up of equal numbers of protons, neutrons, and electrons. How many protons does this object contain? O 3.91E+27 O 7.81E+27 O 1.56E+28 O 3.12E+28

Consider an object of mass 26.1 kg. Assume that it s made up of equal numbers of protons, neutrons, and electrons. How many protons does this object contain? O 3.91E+27 O 7.81E+27 O 1.56E+28 O 3.12E+28

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter28: The Atom

Section: Chapter Questions

Problem 63A

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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

Consider an object of mass 26.1 kg.
Assume that it s made up of equal
numbers of protons, neutrons, and
electrons. How many protons does
this object contain?
3.91E+27
7.81E+27
1.56E+28
O 3.12E+28

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