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6.3 Nuclear equations and decay

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Question 49

An unstable nucleus undergoes gamma ( $γ\gamma$ ) emission to release excess energy.

What happens to the total number of protons and neutrons inside this nucleus?

It decreases by four

It decreases by two

It remains unchanged

It increases by one

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
6.3 Nuclear equations and decay

90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay. Each one has a worked solution and a mark scheme showing where the marks go.

6.3 Nuclear equations and decay

Question bank

6.3 Nuclear equations and decay

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Question 49

An unstable nucleus undergoes gamma ( $γ\gamma$ ) emission to release excess energy.

What happens to the total number of protons and neutrons inside this nucleus?

It decreases by four

It decreases by two

It remains unchanged

It increases by one

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
6.3 Nuclear equations and decay

90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay. Each one has a worked solution and a mark scheme showing where the marks go.