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6.3 Nuclear equations and decay

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Question 41
H

A nucleus changes from 86220Rn{}^{220}_{86}\mathrm{Rn}86220​Rn to 84212Po{}^{212}_{84}\mathrm{Po}84212​Po through a series of alpha and beta-minus decays. Which particles carry away the missing nucleons and balance the total charge?

[1]
A

two alpha particles and two beta-minus particles

B

four alpha particles and two beta-minus particles

C

four alpha particles and four beta-minus particles

D

two alpha particles and four beta-minus particles

Markscheme

6.3 Nuclear equations and decay Questions

  1. GCSE
  2. /Physics
  3. /6.3 Nuclear equations and decay

120 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay, covering 6.3.1 Beta-minus and beta-plus decay, 6.3.2 Effects of decay on the nucleus, and 6.3.3 Balancing nuclear equations. Each one has a worked solution and a mark scheme showing where the marks go.

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