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6 Radioactivity

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Question 75
F

Hydrogen-3 is a radioactive isotope of hydrogen.

The Figure shows a hydrogen-3 nucleus before it decays, and the new nucleus and the particle X formed after it decays.

Figure

image

a.

Give the mass number of the nucleus before the decay.

[1]
b.

Give the atomic number of the nucleus after the decay.

[1]
c.

Identify particle X.

Give a reason for your answer.

[2]
d.

Explain why the nucleus after the decay is a different element from hydrogen.

[2]
Markscheme

6 Radioactivity Questions

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

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