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Date	May 2018	Marks available	1	Reference code	18M.1.hl.TZ1.5
Level	HL	Paper	1	Time zone	TZ1
Command term	Distinguish	Question number	5	Adapted from	N/A

Question

Which transition on the diagram corresponds to the ionization of hydrogen in the ground state?

M18/4/CHEMI/HPM/ENG/TZ1/05

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Additional higher level (AHL) » Topic 12: Atomic structure » 12.1 Electrons in atoms

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