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5.1 The nuclear model of the atom

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Question 9

The "plum pudding" model is an early representation of atomic structure.

Which statement about this early model is not included in the atomic model accepted today?

A

The positive charge is distributed uniformly throughout a sphere of the atom's volume.

B

The electrons are negatively charged.

C

The atom contains both positive and negative charges.

D

There are small subatomic particles called electrons.

Markscheme

5.1 The nuclear model of the atom Questions

  1. IGCSE
  2. /Physics
  3. /5.1 The nuclear model of the atom

284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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