DP Chemistry (first assessment 2025)

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Question 22M.2.SL.TZ1.e(ii)

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.2.SL.TZ1.e(ii)
Level	SL	Paper	2	Time zone	TZ1
Command term	State	Question number	e(ii)	Adapted from	N/A

e(ii).

[Maximum mark: 1]

22M.2.SL.TZ1.e(ii)

Some nitride ions are ¹⁵N^3–. State the term that describes the relationship between ¹⁴N^3– and ¹⁵N^3–.

[1]

Markscheme

isotope«s» ✔

Examiners report

Identification of isotopes was answered correctly by most students.

Syllabus sections

Structure 1. Models of the particulate nature of matter » Structure 1.2—The nuclear atom » Structure 1.2.2—Isotopes. Isotopes are atoms of the same element with different numbers of neutrons. Perform calculations involving non-integer relative atomic masses and abundance of isotopes from given data.