Depth in chemistry - Study guides, Revision notes & Summaries

2024 OCR GCSE (9–1) Chemistry B (Twenty First Century Science) J258/02 Depth in Chemistry (Foundation Tier) Actual Mark Scheme and Question Paper Combined

OCR Higher GCSE Chemisty B Twenty First Century Science J258_04: Depth in Chemistry (Higher Tier) mark scheme june 2024

2 © OCR 2023 Solid sphere Dalton’s model Modern model 1 Scientists use models to represent atoms. These models have changed over time. Dalton’s model and a modern model of an atom are shown in the diagrams. (a) Give two differences between the modern model and Dalton’s model. 1 ................................................................................................................................................ ................................................................

AS and A level Chemistry Your guide to our qualifications 2 3 Hello and welcome Our AS and A level Chemistry qualifications will engage and inspire the scientists of the future. We’ve worked with all parts of the science education community to design courses that encourage students to develop as scientists, and give them the skills to succeed in their chosen pathway. This guide gives you an overview of our new AS and A level Chemistry qualifications. You can also learn more about...

OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) Chemistry B (Twenty First Century Science)J258/04 Depth in Chemistry (Higher Tier)FOR JUNE 2024

OCR MERGED QUESTION PAPER AND MARK SCHEME GCSE (9–1) CHEMISTRY B (TWENTY FIRST CENTURY SCIENCE)J258/02 DEPTH IN CHEMISTRY (FOUNDATION TIER)FOR JUNE 2024

2 © OCR 2023 1 Poly(ethene) is a polymer which forms when ethene monomers react together in an addition polymerisation reaction. The structure of an ethene monomer and the repeating unit of poly(ethene) are shown in Fig. 1.1. Fig. 1.1 H H H H C C C C H H H H Ethene monomer Repeating unit of poly(ethene) (a) Which statements are true only for an ethene monomer, which are true only for the repeating unit of poly(ethene) and which are true for both? Tick () one box in each row. Tru...

OCR Foundation GCSE Chemisty B Twenty First Century Science J258_02: Depth in Chemistry (Foundation Tier) mark scheme june 2024

OCR GCSE (9–1) Chemistry B (Twenty First Century Science) J258/02 Depth in Chemistry (FoundationTier) QUESTION PAPER AND MARK SCHEME (MERGED)

OCR AS Level Chemistry A H032/02 Depth in chemistry MAY 2024 Combined Question Paper and Mark Scheme