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6 Radioactivity

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Question 48
F

A nucleus contains 17 protons and 20 neutrons. A second nucleus contains 17 protons and 18 neutrons.

Which comparison is correct?

[1]
A

They are isotopes with mass numbers 20 and 18.

B

They are different elements with mass numbers 37 and 35.

C

They are isotopes with mass numbers 37 and 35.

D

They are different elements with mass numbers 20 and 18.

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6 Radioactivity Questions

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

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