Rutherford Spanking !!link!!

In the early 20th century, the prevailing "Plum Pudding" model, proposed by J.J. Thomson, suggested that atoms were spheres of positive charge with electrons embedded like raisins. Between 1908 and 1913, under the direction of Ernest Rutherford, Hans Geiger and Ernest Marsden conducted experiments to test this model by bombarding thin metal foils with alpha particles. 2. Experimental Setup The apparatus consisted of:

• The Nucleus: All of the positive charge—and most of the atom's mass—is concentrated in a tiny, dense central core called the nucleus.
• Empty Space: The rest of the atom is largely empty space where the electrons orbit.

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(also known as the Geiger-Marsden experiment). While "spanking" isn't a formal scientific term, it is often used colloquially to describe the dramatic way alpha particles "smacked" into the gold foil and, against all expectations, bounced backward. The Experiment In the early 20th century, the prevailing "Plum

The Setup

Working at the University of Manchester, Rutherford’s team aimed a beam of alpha particles (positively charged helium nuclei) at an extremely thin sheet of gold foil. The Nucleus: All of the positive charge—and most