Edexcel International GCSE (9–1) Science (Double Award) 4SD0 · C-2c

Gases in the atmosphere

Code: C-2c
In: C-2 Inorganic chemistry
Topic: C Chemistry content
Course: International GCSE (9–1) Science (Double Award) 4SD0
Board: Edexcel

Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.

Points under C-2c

C-2.9 Composition of dry air
C-2.10 Percentage of oxygen in air
C-2.11 Combustion of elements in oxygen
C-2.12 Thermal decomposition of metal carbonates
C-2.13 Carbon dioxide and climate change
C-2.14 Practical: percentage of oxygen in air

Points in C-2 Inorganic chemistry

C-2a Group 1 (alkali metals) – lithium, sodium and potassium
C-2b Group 7 (halogens) – chlorine, bromine and iodine
C-2c Gases in the atmosphere
C-2d Reactivity series
C-2e Acids, alkalis and titrations
C-2f Acids, bases and salt preparations
C-2g Chemical tests