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6 Radioactivity

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Question 124

Two particles, P and Q, are from the same element. The table gives information about particle P.

Number of electronsOverall relative chargeNumber of neutrons
24+230
a.

Calculate the number of protons in particle P.

[1]
b.

The nucleus of particle Q has a mass number of 58.

Calculate the number of neutrons in the nucleus of Q.

[1]
c.

Explain why the nuclei of P and Q have different mass numbers but the same nuclear charge.

[3]
Markscheme

6 Radioactivity Questions

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

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