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6 Radioactivity

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Question 28

The table gives the numbers of protons and electrons in an ion.

sub-atomic particlenumber
proton15
electron12

Explain how the information in the table shows that the ion has an overall relative charge of +3.

[2]
Markscheme

6 Radioactivity Questions

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

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