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Date	November 2011	Marks available	1	Reference code	11N.1.HL.TZ0.27
Level	Higher level	Paper	Paper 1	Time zone	Time zone 0
Command term		Question number	27	Adapted from	N/A

Question

A fission reaction for uranium is

${}_{92}^{235}{\rm{U}} + {\rm{n}} \to {}_{56}^{141}{\rm{Ba}} + {}_Z^A{\rm{Kr}} + 3{\rm{n}}$

where n is the neutron. Which of the following gives the value of the nucleon number A and proton number Z for the krypton (Kr)?

Markscheme

Examiners report

[N/A]

Syllabus sections

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

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