 |
 |
 |
 |
Kim Handle
(Brooklyn - United States)Kim worked for the Professional Development Department in Education at the New York Hall of Science in Corona, Queens for the past three years and has recently accepted a fellowship at Brooklyn College. Kim's undergraduate work was in environmental ...
-
- Contributed By: Siyavula Siyavula
Click HERE to download the chapter as a PDF.
Chapter 1, Classification of Matter comes from the FHSST (Free High School Science Texts) Chemistry textbook. FHSST is a project that aims to provide free science and mathematics textbooks for Grades 10 to 12 science learners. The project was initiated by young South African scientists, and now brings together scientists from around the world who are willing to contribute to the writing of the books. Below is a complete Table of Contents for this chapter.This resource is part of the FHSST Chemistry collection.
TABLE OF CONTENTS
II MATTER AND MATERIALS
1 Classification of Matter - Grade 10
1.1 Mixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1.1 Heterogeneous mixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1.2 Homogeneous mixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1.3 Separating mixtures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Pure Substances: Elements and Compounds . . . . . . . . . . . . . . . . . . . . 9
1.2.1 Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2.2 Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3 Giving names and formulae to substances . . . . . . . . . . . . . . . . . . . . . 10
1.4 Metals, Semi-metals and Non-metals . . . . . . . . . . . . . . . . . . . . . . . . 13
1.4.1 Metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.4.2 Non-metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.4.3 Semi-metals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.5 Electrical conductors, semi-conductors and insulators . . . . . . . . . . . . . . . 14
1.6 Thermal Conductors and Insulators . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.7 Magnetic and Non-magnetic Materials . . . . . . . . . . . . . . . . . . . . . . . 17
1.8 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Open or Download This File:
ChemistryMatterandMaterialsCh1ClassificationofMatter.pdf (249kb)
Click HERE to download the chapter as a PDF.
Chapter 2, What Are the Objects Around Us Made Of? comes from the FHSST (Free High School Science Texts) Chemistry textbook. FHSST is a project that aims to provide free science and mathematics textbooks for Grades 10 to 12 science learners. The project was initiated by young South African scientists, and now brings together scientists from around the world who are willing to contribute to the writing of the books. Below is a complete Table of Contents for this chapter.This resource is part of the FHSST Chemistry collection.
TABLE OF CONTENTS
II MATTER AND MATERIALS
2 What are the objects around us made of? - Grade 10
2.1 Introduction: The atom as the building block of matter . . . . . . . . . . . . . . 21
2.2 Molecules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2.1 Representing molecules . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3 Intramolecular and intermolecular forces . . . . . . . . . . . . . . . . . . . . . . 25
2.4 The Kinetic Theory of Matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.5 The Properties of Matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Click HERE to download the chapter as a PDF.
Chapter 3, The Atom comes from the FHSST (Free High School Science Texts) Chemistry textbook. FHSST is a project that aims to provide free science and mathematics textbooks for Grades 10 to 12 science learners. The project was initiated by young South African scientists, and now brings together scientists from around the world who are willing to contribute to the writing of the books. Below is a complete Table of Contents for this chapter.This resource is part of the FHSST Chemistry collection.
TABLE OF CONTENTS
II MATTER AND MATERIALS
3 The Atom - Grade 10
3.1 Models of the Atom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.1.1 The Plum Pudding Model . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3.1.2 Rutherford’s model of the atom . . . . . . . . . . . . . . . . . . . . . . 36
3.1.3 The Bohr Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3.2 How big is an atom? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.2.1 How heavy is an atom? . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.2.2 How big is an atom? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.3 Atomic structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3.3.1 The Electron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.3.2 The Nucleus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
3.4 Atomic number and atomic mass number . . . . . . . . . . . . . . . . . . . . . 40
3.5 Isotopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3.5.1 What is an isotope? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
3.5.2 Relative atomic mass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3.6 Energy quantisation and electron configuration . . . . . . . . . . . . . . . . . . 46
3.6.1 The energy of electrons . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.6.2 Energy quantisation and line emission spectra . . . . . . . . . . . . . . . 47
3.6.3 Electron configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.6.4 Core and valence electrons . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.6.5 The importance of understanding electron configuration . . . . . . . . . 51
3.7 Ionisation Energy and the Periodic Table . . . . . . . . . . . . . . . . . . . . . . 53
3.7.1 Ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.7.2 Ionisation Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
3.8 The Arrangement of Atoms in the Periodic Table . . . . . . . . . . . . . . . . . 56
3.8.1 Groups in the periodic table . . . . . . . . . . . . . . . . . . . . . . . . 56
3.8.2 Periods in the periodic table . . . . . . . . . . . . . . . . . . . . . . . . 58
3.9 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
