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6.1 Atomic structure and isotopes

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Question 7

The mass of an alpha particle is 6.6447 × 10-27 kg. The mass of an electron is 9.1094 × 10-31 kg.

Calculate how many times the mass of an alpha particle is greater than the mass of an electron.

Give your answer to two significant figures.

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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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