Learning objective

Describe the alpha particle scattering experiment carried out by Geiger and Marsden.

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At a glance

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Topic

Atoms and isotopes

Subtopic

The development of the model of the atom

AQA GCSE PhysicsAtomic structure

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Understand this objective

Short explanation

Within The development of the model of the atom, this learning objective asks you to describe the alpha particle scattering experiment carried out by geiger and marsden. Focus on the approved ideas Geiger, Marsden and connect them clearly to Atoms and isotopes. A strong response should state the relevant particle, radiation, isotope, decay, half-life or nuclear-equation idea, then explain how it answers the exact command word. Avoid swapping nearby concepts such as atomic number and mass number, isotope and ion, alpha, beta and gamma radiation, or contamination and irradiation.

Key concepts

alpha particle scatteringnuclear model

Why it matters

This objective helps connect The development of the model of the atom to exam-style questions, flashcards, and revision notes for Atoms and isotopes.

Common mistakes

1 linked

Misunderstanding Alpha Particle Scattering: Emphasize that most alpha particles pass straight through the foil, indicating that atoms are mostly empty space.

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