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6.1 Atomic structure and isotopes

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Question 11

In the alpha particle scattering experiment, positively charged alpha particles were fired at a thin sheet of gold foil.

Explain how the differences in how the alpha particles were deflected provided evidence for:

a.

the mass of the atom being concentrated in a tiny nucleus

[2]
b.

the nucleus having a positive charge

[2]
Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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