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6.1 Atomic structure and isotopes

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Question 60

Oxygen-17 and oxygen-18 are isotopes of oxygen.

Nuclei of oxygen-17 and oxygen-18 can be represented by these symbols:

17O8 {}^{17}\text{O}_8 17O8​

and

18O8 {}^{18}\text{O}_8 18O8​

Complete the table for an atom of oxygen-17 and an atom of oxygen-18.

Number of neutrons in the nucleusNumber of electrons in orbit around the nucleus
oxygen-17
oxygen-18
[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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