For help with this work please email science@aspire.fcat.org.uk Chemistry Key Stage 4 Unit 1 Atomic structure Updated: 19/03/2020 171 KB Unit 2 Chemical change Updated: 19/03/2020 706 KB Unit 3 Bonding and structure Updated: 19/03/2020 917 KB Unit 4 Energy Changes Updated: 19/03/2020 1.20 MB Unit 5 Quantitative Chemistry Updated: 19/03/2020 257 KB