AQA • Chemistry

Fluoride ion has (two) fewer protons/lower nuclear charge Weaker attraction between nucleus and (outer) electrons Do not allow fluorine, but allow fluorine ion Any reference to different numbers of electrons in the ions loses M1 Allow answers in terms of sodium ion but must be explicit. Ignore references to atomic radius 1 1

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2020. GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2020 Version: 1.0 Final Mark Scheme *206g8464c2h/MS* MARK SCHEME – GCSE COMBINED SCIENCE: TRILOGY – 8464/C/2H – JUNE 20 2 Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at ...

AS level paper 1 Chemistry 2021

These are detailed Revision Notes for Topic 1.12 of AQA A-Level Chemistry (Acids, Bases and Buffers). They were written by me using a combination of the textbook and class notes. I will also be uploading the other topics and creating bundles. Topics Included: - Defining an acid - The pH scale - Weak acids and bases - Acid-base titrations - Choice of indicators for titrations - Buffer solutions

These are detailed Revision Notes for Topic 1.10 of AQA A-Level Chemistry (Kp). They were written by me using a combination of the textbook and class notes. I will also be uploading the other topics and creating bundles. Topics Included: - Equilibrium constant Kp for homogenous systems

These are detailed Revision Notes for Topic 1.9 of AQA A-Level Chemistry (Rate Equations). They were written by me using a combination of the textbook and class notes. I will also be uploading the other topics and creating bundles. Topics Included: - The rate of chemical equations - The rate expression and order of reaction - Determining the rate equation - The Arrhenius equation - The rate determining step

These are detailed Revision Notes for Topic 1.5 of AQA A-Level Chemistry (Kinetics). They were written by me using a combination of the textbook and class notes. I will also be uploading the other topics and creating bundles. Topics Included: - Exothermic and endothermic reactions - Enthalpy - Measuring enthalpy changes - Hess’s Law - Enthalpy change of combustion - Representing thermochemical cycles - Bond enthalpies

All topics for all of the AQA AS-Level Chemistry papers, including all the practicals and their methods. Also includes some useful tips on exam technique and lots of worked exemplars to apply concepts!

Oxford AQA A-level Chemistry (9620) (9620) INTERNATIONAL AS CHEMISTRY (9620) Unit 2: Organic 1 and Physical 1. QP Jan 2021

A* grade notes that cover: -All course content in detail with notes, graphs, and diagrams -Key words, balanced equations, and formulae for maths questions -Key practicals- methods, variables, results, and how to show results -Exam practice