1. AS Chemistry

2. Unit 1 – CHEM1 Foundation Chemistry
Examination paper (70 raw marks/100 UMS)
4 – 6 short answer questions plus 1 – 2 longer structured question(s).
1 hour 15 minutes
33 1/3 % of the total AS marks
16 2/3 % of the total A Level marks Available in June only

3. Unit 2 – CHEM2 Chemistry In Action
Examination paper (100 raw marks/140 UMS)
6 – 8 short answer questions plus 2 longer structured questions
1 hour 45 minutes
46 2/3 % of the total AS marks
23 1/3 % of the total A Level marks Available in June only

4. Unit 3 – Internal Assessment
Investigative and practical skills in AS Chemistry
CHM3T, Centre Marked Route
(50 raw marks/60 UMS)
Practical Skills Assessment (PSA – 12 raw marks)
Investigative Skills Assignment (ISA – 38 raw marks)

5. Teaching route Scheme A 1.1 Atomic structure 1.3 Bonding
1.4 Periodicity
2.10 Redox
2.11 Group 7
2.12 Group 2
2.13 Metal extraction
2.8 Kinetics
2.9 Equilibria
Scheme B
1.2 Amount of substance
1.5 Introduction to organic chemistry
1.6 Alkanes
2.14 Haloalkanes
2.15 Alkenes
2.16 Alcohols
2.17 Analytical techniques
2.7 Energetics
Note: the order may change when details of the ISA are released by the exam board