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5.1 The nuclear model of the atom

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Question 40
a.

Complete the table below about the properties of three subatomic particles.

  • In the centre column, state the relative mass of each particle (either 111, or negligible / 11840\frac{1}{1840}18401​).
  • In the right-hand column, state the charge of each particle (either positive, negative, or no charge).
ParticleRelative massCharge
proton
neutron
electron
[3]
b.

Answer the following questions based on the particles in the table:

Which of the particles has the smallest mass?

[1]
c.

Which two particles make up the nucleus of an atom?

[1]
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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