Edexcel A-Level Chemistry AS 8.24 Reasons for the Trends for Group 7 Elements in Topic Practice

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Pearson Edexcel IAL Chemistry

Unit 1: Structure, Bonding and Introduction to Organic Chemistry

Topic 1: Formulae, Equations and Amount of Substance

Topic 2: Atomic Structure and the Periodic Table

Topic 3: Bonding and Structure

Topic 4: Introductory Organic Chemistry and Alkanes

Topic 5: Alkenes

Unit 2: Energetics, Group Chemistry, Halogenoalkanes and Alcohols

Topic 6: Energetics

Topic 7: Intermolecular Forces

Topic 8: Redox Chemistry and Groups 1, 2 and 7

8.1 - the term 'oxidation number' and understand the

8.2 - oxidation number of elements in compounds and ions,

8.3 - Indicate the oxidation number of an element in a

8.4 - Formulae given oxidation numbers

8.5 - Oxidation and reduction in terms of electron

8.6 - Oxidising agents gain electrons and reducing agents

8.7 - disproportionation reaction involves an element in

8.8 - Oxidation number is a useful concept in terms of

8.9 - Metals, in general, form positive ions by loss of

8.10 - Ionic half-equations and use them to construct full

8.11 - Reasons for the trend in ionisation energy down

8.12 - Reasons for the trend in reactivity of the elements

8.13 - reactions of the elements of Group 1 (Li to K) and

8.14 - Oxides of Group 1 and 2 elements with water and

8.15 - trends in solubility of the hydroxides and sulfates

8.16 - reasons for the trends in thermal stability of the

8.17 - formation of characteristic flame colours by Group

8.18 - Experimental procedures to show

8.19 - Reactions, including ionic equations where

8.20 - Solution concentrations, in mol dm-3 and g dm-3,

8.21 - CORE PRACTICAL 3 Finding the concentration of a

8.22 - to minimise the sources of measurement uncertainty

8.23 - CORE PRACTICAL 4 Preparation of a standard solution

8.SP1 - Further suggested practical: experiments to study

8.SP2 - Further suggested practical: flame tests on

8.SP3 - Further suggested practical: simple acid-base

8.SP4 - Further suggested practical: the solubility of

8.SP5 - Further suggested practical: determination of moles

8.24 - Reasons for the trends for Group 7 elements in

8.25 - trend in reactivity of Group 7 elements in terms of

8.26 - Understand, in terms of changes in oxidation

8.27 - following reactions

8.28 - Make predictions about fluorine and astatine and

8.SP1 - Further suggested practical: reaction of solid

8.SP2 - Further suggested practical: precipitation reaction

Topic 9: Introduction to Kinetics and Equilibria

Topic 10: Organic Chemistry: Halogenoalkanes, Alcohols and Spectra

Unit 3: Practical Skills in Chemistry I

Practical Skills in Chemistry I

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