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6 Radioactivity

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Question 24

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 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

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