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6.3 Nuclear equations and decay

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Question 44

A record of an alpha decay contains this incomplete equation.

{}^{A}_{93}\mathrm{Np}\rightarrow{}^{233}_{Z}\mathrm{Pa}+{}^{4}_{2}\mathrm{He}

Which values complete the equation?

[1]

$A = 233$ and $Z = 91$

$A = 237$ and $Z = 91$

$A = 237$ and $Z = 95$

$A = 229$ and $Z = 91$

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
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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