REVISE

.wales

2015 specification

WJEC A-level Chemistry

Specification↗
SAMS ↗ Revision resources → Data booklet ↗

AS

Units 1–2 First sat 2016 · fullUMS = raw mark needed to reach the maximum UMS for that paper

Unit 1 The Language of Chemistry, Structure of Matter & Simple Reactions4 papers
2024
Question paper Mark scheme
fullUMS69 A51 B42 C34 D26 E18 /80
2023
Question paper Mark scheme
fullUMS52 A38 B31 C24 D18 E12 /80
2022
Question paper Mark scheme
fullUMS60 A44 B36 C28 D20 E13 /80
2019
Question paper Mark scheme
fullUMS58 A44 B37 C30 D23 E17 /80
2018
Question paper Mark scheme
fullUMS59 A45 B38 C31 D24 E18 /80
2017
Question paper Mark scheme
fullUMS60 A44 B36 C28 D20 E13 /80
2016
Question paper Mark scheme
fullUMS57 A43 B36 C29 D22 E16 /80

Unit 2 Energy, Rate & Chemistry of Carbon Compounds4 papers
2024
Question paper Mark scheme
fullUMS65 A49 B41 C33 D25 E17 /80
2023
Question paper Mark scheme
fullUMS53 A39 B32 C25 D19 E13 /80
2022
Question paper Mark scheme
fullUMS65 A47 B38 C30 D22 E14 /80
2019
Question paper Mark scheme
fullUMS64 A48 B40 C33 D26 E19 /80
2018
Question paper Mark scheme
fullUMS65 A49 B41 C33 D26 E19 /80
2017
Question paper Mark scheme
fullUMS61 A45 B37 C29 D21 E14 /80
2016
Question paper Mark scheme
fullUMS56 A42 B35 C28 D22 E16 /80

A2

Units 3–5 First sat 2017 · A* = raw mark for 90% UMS (per-unit A* contribution)

Unit 3 Physical & Inorganic Chemistry3 papers
2024
Question paper Mark scheme
A*56 A47 B39 C31 D24 E17 /80
2023
Question paper Mark scheme
A*54 A39 B31 C24 D17 E10 /80
2022
Question paper Mark scheme
A*43 A30 B22 C14 D9 E5 /80
2019
Question paper Mark scheme
A*57 A49 B41 C33 D25 E18 /80
2018
Question paper Mark scheme
A*56 A48 B40 C32 D25 E18 /80
2017
Question paper Mark scheme
A*53 A45 B38 C31 D24 E18 /80

Unit 4 Organic Chemistry & Analysis3 papers
2024
Question paper Mark scheme
A*58 A49 B41 C34 D27 E20 /80
2022
Question paper Mark scheme
A*54 A40 B29 C19 D12 E5 /80
2019
Question paper Mark scheme
A*61 A53 B45 C37 D29 E21 /80
2018
Question paper Mark scheme
A*60 A51 B43 C35 D28 E21 /80
2017
Question paper Mark scheme
A*56 A47 B39 C32 D25 E18 /80

Unit 5 Practical assessment6 papers
2024
· QP Mark scheme
A*51 A43 B37 C31 D25 E19 /60
2023
· QP Mark scheme
A*43 A34 B28 C22 D16 E11 /60
2022
· QP Mark scheme
A*44 A30 B21 C13 D8 E4 /60
2019
Experimental Task · QP Mark scheme
A*47 A41 B35 C29 D24 E19 /60
2018
Experimental Task · QP Mark scheme
A*49 A41 B35 C29 D24 E19 /60
2017
Experimental Task · QP Mark scheme
A*50 A42 B36 C30 D24 E19 /60
2019
Practical Analysis · QP Mark scheme
A*47 A41 B35 C29 D24 E19 /60
2018
Practical Analysis · QP Mark scheme
A*49 A41 B35 C29 D24 E19 /60
2017
Practical Analysis · QP Mark scheme
A*50 A42 B36 C30 D24 E19 /60

More past papers

PMT & Eduqas routes

PMT collates WJEC and Eduqas Chemistry past papers including 2022-2024 sittings:

PMT · WJEC AS Unit 1 ↗ PMT · WJEC AS Unit 2 ↗ PMT · WJEC A2 Unit 3 ↗ PMT · WJEC A2 Unit 4 ↗
Stuff that helped me revise Books, calculators, flashcards · affiliate links
Casio FX-991EX calculator
Casio FX-991EX

Certified chemists use this calculator.

WJEC AS Chemistry Student Book
WJEC AS Chemistry Student Book

Walks through every concept in AS Chemistry. Useful when collating info for flashcards.

WJEC A2 Chemistry Student Book
WJEC A2 Chemistry Student Book

Covers A2 Chemistry concepts in detail without being too dense. Good pair for the AS book.

© 2026 revise.wales · WJEC owns all spec, past paper and mark scheme content.