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6 Radioactivity

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Question 8

The table shows the numbers of particles in an atom of oxygen.

ParticleNumber
Protons8
Neutrons9
Electrons8

Which number is the mass number of this atom?

[1]
A

16

B

17

C

25

D

8

Markscheme

6 Radioactivity Questions

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

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