DP Chemistry (last assessment 2024)

Question 18M.3.sl.TZ1.12a.i

Date	May 2018	Marks available	[Maximum mark: 1]	Reference code	18M.3.sl.TZ1.12a.i
Level	sl	Paper	3	Time zone	TZ1
Command term	Suggest	Question number	a.i	Adapted from	N/A

a.i.

[Maximum mark: 1]

18M.3.sl.TZ1.12a.i

Nuclear fission of ²³⁵U is one source of electrical energy that has a minimal carbon footprint.

(a.i)

Natural uranium needs to be enriched to increase the proportion of ²³⁵U. Suggest a technique that would determine the relative abundances of ²³⁵U and ²³⁸U.

[1]

Markscheme

mass spectrometry/mass spectroscopy/MS

Accept “analysis of radiation emitted”.

[1 mark]

Syllabus sections

Core

Core » Topic 2: Atomic structure » 2.1 The nuclear atom

Core » Topic 2: Atomic structure

Question 18M.3.sl.TZ1.12a.i

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