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A title that best describes a chemistry document could be: "Comprehensive Overview of Chemistry Principles and Applications" This title suggests a thorough exploration of various aspects of chemistry. If the document focuses on a specific area, yo$8.49
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A title that best describes a chemistry document could be: "Comprehensive Overview of Chemistry Principles and Applications" This title suggests a thorough exploration of various aspects of chemistry. If the document focuses on a specific area, yo
7 views 0 purchase
Course
Chemistry,
Institution
Book
AQA A Level Chemistry Year 2 Revision Guide
Sure, here are some keywords related to a chemistry document:
1. Chemical Reactions
2. Atomic Structure
3. Periodic Table
4. Bonding
5. Stoichiometry
6. Thermodynamics
7. Kinetics
8. Equilibrium
9. Acids and Bases
10. Organic Chemistry
11. Inorganic Chemistry
12. Solutions
13. Electr...
, Table of Content
Unit 1 Chemistry and society.......................................................... 1
Introduction........................................................................................ 1
1.1 Definition of Chemistry................................................................. 2
1.2 Importance of Chemistry............................................................... 3
1.3 Applications of Chemistry in Industry............................................. 4
1.4 Contribution of Chemistry to the economy of Rwanda.................... 7
Test Your Competence 1.................................................................... 9
Unit 2 Laboratory safety and apparatus......................................... 10
Introduction...................................................................................... 10
2.1 Definition of laboratory................................................................ 11
2.2: Laboratory safety........................................................................ 12
2.3 Laboratory apparatus................................................................... 19
Test Your Competence 2.................................................................. 33
Unit 3 States and changes of states of matter.................................. 34
3.1 Definition of matter and the states of matter.................................. 34
3.2 Changes of states of matter........................................................... 36
3.3 Physical and chemical changes of matter....................................... 38
3.4 Kinetic theory of matter............................................................... 46
Test Your Competence 3.................................................................. 55
Unit 4 Pure Substances and Mixtures............................................ 57
4.1 Pure substances........................................................................... 57
4.2 Mixtures...................................................................................... 58
4.3 Methods of separating mixtures.................................................... 60
Test Your Competence 4.................................................................. 76
iii
, Unit 5 Atoms, Elements and Compounds....................................... 78
5.1 Definition of element, atom and molecule..................................... 78
5.2 Symbols of chemical elements ..................................................... 79
5.3 Main components of an atom....................................................... 81
5.4 Atomic characteristics.................................................................. 82
5.5 Electronic configuration .............................................................. 83
5.6 Instability of atoms ...................................................................... 88
5.7 Radicals....................................................................................... 91
5.8 Valence of elements and radicals................................................... 91
5.9 Chemical formulae and nomenclature........................................... 91
Test Your Competence 5.................................................................. 95
Unit 6 Arrangement of elements in the Periodic Table...................... 97
6.1 Dobereiner’s triads ..................................................................... 98
6.2 Historical development of the modern Periodic Table.................... 99
6.3 The modern Periodic Table......................................................... 100
6.4 Relationship between electronic structures of elements and their
positions on the Periodic Table................................................... 101
6.5 Metallic and non-metallic trends in the Periodic Table................. 104
Test Your Competence 6.................................................................107
Unit 7 Water and its composition..................................................109
7.1 Sources of water......................................................................... 110
7.2 Physical properties of pure water................................................ 111
7.3 Testing for the presence of water in a given substance.................. 112
7.4 Characteristics of different categories of water............................. 113
7.5 Treatment and purification of water............................................ 114
7.6 Water cycle................................................................................. 116
7.7 Uses of water ............................................................................ 117
Test Your Competence 7.................................................................119
iv
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