DP Chemistry (last assessment 2024)

Question 23M.2.SL.TZ2.a

Date	May 2023	Marks available	[Maximum mark: 2]	Reference code	23M.2.SL.TZ2.a
Level	SL	Paper	2	Time zone	TZ2
Command term	Deduce	Question number	a	Adapted from	N/A

[Maximum mark: 2]

23M.2.SL.TZ2.a

Bismuth has atomic number 83. Deduce two pieces of information about the electron configuration of bismuth from its position on the periodic table.

[2]

Markscheme

Any two of the following:
«group 15 so Bi has» 5 valence electrons ✓
«period 6 so Bi has» 6 «occupied» electron shells/energy levels ✓
«in p-block so» p orbitals are highest occupied ✓
occupied d/f orbitals ✓
has unpaired electrons ✓
has incomplete shell(s)/subshell(s) ✓

Award [1] for full or condensed electron configuration, [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³.

Accept other valid statements about the electron configuration.

Syllabus sections

Core

Core » Topic 4: Chemical bonding and structure » 4.5 Metallic bonding

Core » Topic 3: Periodicity » 3.1 Periodic table

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

Core » Topic 2: Atomic structure

Core » Topic 3: Periodicity

Core » Topic 4: Chemical bonding and structure

Question 23M.2.SL.TZ2.a

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