Rutherford's Gold Foil Experiment | Atomic Theory Part 7

2025-06-25

[public] 54.0 views, 7.00 likes, dislikes audio only

Rutherford aimed a ray of alpha particles at a thin gold foil and discovered that the atom is mostly empty space with a dense, positively-charged nucleus. Learn about his experiment & how drastically it changed our understanding of the structure of an atom.

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0:00 Rutherford, Geiger, Marsden

0:14 Experimental Setup

1:09 Scale of the Alpha Particle

1:28 Competing Atomic Models

2:32 Results & Interpretations

4:01 Rutherford's Planetary Model of the Atom

Images:

https://en.wikipedia.org/wiki/Rutherford_scattering_experiments#/media/File:Ernest_Rutherford2.jpg

https://upload.wikimedia.org/wikipedia/commons/a/ad/Hans_geiger.jpg

https://en.wikipedia.org/wiki/File:Ernest_Marsden_1921.jpg

https://en.wikipedia.org/wiki/BL_15-inch_Mk_I_naval_gun#/media/File:WW2_Singapore_15inch_shell.jpg

https://pixabay.com/photos/solar-system-sun-mercury-venus-439046/

Periodic Table used with permission from https://sciencenotes.org/printable-periodic-table/

Rutherford, Geiger, Marsden
/youtube/video/CjwxFLbXgkY?t=0

Experimental Setup
/youtube/video/CjwxFLbXgkY?t=14

Scale of the Alpha Particle
/youtube/video/CjwxFLbXgkY?t=69

Competing Atomic Models
/youtube/video/CjwxFLbXgkY?t=88

Results & Interpretations
/youtube/video/CjwxFLbXgkY?t=152

Rutherford's Planetary Model of the Atom
/youtube/video/CjwxFLbXgkY?t=241

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