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6.1 Atomic structure and isotopes

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Question 11

A scientist identifies an atom that has 17 protons and 18 neutrons.

Which of these atoms is an isotope of the atom the scientist identified?

[1]
A

an atom with 17 protons and 20 neutrons

B

an atom with 18 protons and 17 neutrons

C

an atom with 16 protons and 20 neutrons

D

an atom with 18 protons and 18 neutrons

Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

103 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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