Experiment Interpretation Incoming a particles Beam of a particles Source of a particles Nucleus A tiny fraction of the a particles are scattered at large angles because their path takes them very close to an extremely small but highly charged nucleus. Gold foil Circular fluorescent screen Interpretation Incoming a particles Most a particles undergo little to no scattering because most of the atom is empty. Nucleus A Figure 2.9 Rutherford's a-scattering experiment. When a particles pass through a gold foil, most pass through undeflected but some are scattered, a few at very large angles. According to the plum-pudding model of the atom, the particles should experience only very minor deflections. The nuclear model of the atom explains why a few a particles are deflected at large angles. Although the nuclear atom has been depicted here as a yellow sphere, it is important to realize that most of the space around the nucleus contains only the low-mass electrons.

Experiment Interpretation Incoming a particles Beam of a particles Source of a particles Nucleus A tiny fraction of the a particles are scattered at large angles because their path takes them very close to an extremely small but highly charged nucleus. Gold foil Circular fluorescent screen Interpretation Incoming a particles Most a particles undergo little to no scattering because most of the atom is empty. Nucleus A Figure 2.9 Rutherford's a-scattering experiment. When a particles pass through a gold foil, most pass through undeflected but some are scattered, a few at very large angles. According to the plum-pudding model of the atom, the particles should experience only very minor deflections. The nuclear model of the atom explains why a few a particles are deflected at large angles. Although the nuclear atom has been depicted here as a yellow sphere, it is important to realize that most of the space around the nucleus contains only the low-mass electrons.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 6RQ: Consider Ernest Rutherfords -particle bombardment experiment illustrated in Fig. l- 16. How did the...

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Consider Ernest Rutherfords -particle bombardment experiment illustrated in Fig. l- 16. How did the results of this experiment lead Rutherford away from the plum pudding model of the atom to propose the nuclear model o f the atom?
True or false? Rutherford’s bombardment experiments with metal foil suggested that the particles were being deflected by coming near a large, positively charged atomic nucleus.
In the early 1900s, Ernest Rutherford produceda beam of very small positive particles and directed it at a thinpiece of gold foil just a few atoms thick. Most of the particlespassed through the foil without changing their path; very rarely, aparticle was deflected. What conclusions can you draw from thisexperiment about the structure of an atom?
Do both members of the following pairs have the samenumber of protons? Neutrons? Electrons?(a)¹⁶₈O and ¹⁷₈O(b) ⁴⁰₁₈Ar and ⁴¹₁₉K(c)⁶⁰₂₇Co and ⁶⁰₂₈NiWhich pair(s) consist(s) of atoms with the same Zvalue? Nvalue? Avalue?
Rank the following particles by INCREASING their size (lowest first). Rb+ Te2- In3- Xe A, In3- Rb+ Te2- Xe B, Xe Te2- In3- Rb+ C, Xe In3- Rb+ Te2- D, Rb+ Te2- In3- Xe
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The figure attached here is a representationof 50 atoms of a fictitiouselement with the symbol Ntand atomic number 120. Nt hasthree isotopes represented by thefollowing colors: Nt-304 (red),Nt-305 (blue), and Nt-306 (green)