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Date	May 2011	Marks available	1	Reference code	11M.1.SL.TZ2.24
Level	Standard level	Paper	Paper 1	Time zone	Time zone 2
Command term		Question number	24	Adapted from	N/A

Question

The nuclear equation below is an example of the transmutation of mercury into gold.

${}_1^2{\rm{H}} + {}_{80}^{199}{\rm{Hg}} \to {}_{79}^{197}{\rm{Au}} + {\rm{X}}$

The particle X is a

gamma-ray photon.
helium nucleus.
proton.
neutron.

Markscheme

Examiners report

Syllabus sections

Core » Topic 7: Atomic, nuclear and particle physics » 7.2 – Nuclear reactions

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