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6.1 Atomic structure and isotopes

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Question 3

An alpha particle (24He^{4}_{2}\text{He}24​He nucleus) and a fully ionised lithium-7 (37Li^{7}_{3}\text{Li}37​Li nucleus) are compared.

Assuming the mass of a proton is equal to the mass of a neutron, what is the ratio of the specific charge of the alpha particle to the specific charge of the lithium-7 nucleus?

specific charge of the alpha particlespecific charge of the lithium-7 nucleus \frac{\text{specific charge of the alpha particle}}{\text{specific charge of the lithium-7 nucleus}} specific charge of the lithium-7 nucleusspecific charge of the alpha particle​
A

67\frac{6}{7}76​

B

76\frac{7}{6}67​

C

914\frac{9}{14}149​

D

149\frac{14}{9}914​

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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