Delivering the programme
S1.4 (3) & S1.5 Avogadro's law & ideal gases
This third section on S1.4 also includes S1.5. and covers Avogadro's law which states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules. This leads...
Delivering the programme
S1.4 (2) & R2.1 Concentration & amount of chemical change
This page covers molar concentrations (S1.4.5) but, rather than simply following the way the syllabus is laid out, it also includes some of the material covered in the Reactivity strand (R2.1) as students...
Delivering the programme
S1.4 (1) Counting particles by mass: the mole
This page covers the mole concept and Avogadro's constant, NA. It includes relative atomic mass, Ar and relative formula mass Mr which leads to understanding and calculating emprical and molecular formulas...
Delivering the programme
S1.3 & S3.1 (AHL) Electron configuration
This Higher Level section considers that the limit of convergence at higher frequency in an emission spectrum corresponds to ionization. From this the first ionization energy can be calculated, provided...
Delivering the programme
S1.3 Electron configuration
This section uses the evidence from emission spectra to explain how electrons are configured in energy levels around an atom. Each main energy level can hold a maximum of 2n2 electrons and is divided...
Delivering the programme
S1.2 (AHL) The nuclear atom
This Higher Level page covers the use of mass spectrometry to determine the relative atomic masses of elements from their isotopic composition. It includes the basic principles of mass spectrometry but...
Delivering the programme
S1.2 The nuclear atom
This section covers the three fundamental sub-atomic particles, protons and neutrons (which make up the nucleus) and electrons (which occupy the space outside of the nucleus) together with their mass...
Delivering the programme
S1.1 Introduction to the particulate nature of matter
This page provides full coverage of the syllabus content of Topic S1.1 Introduction to the particulate nature of matter. It encourages your students to think critically and provides many questions, all...
Assessment
Tools (HL) (2)
only: This second HL multiple choice test on Tools (2) contains 20 questions covering the content of this topic. Explanations as to why A, B, C or D is the best answer to each and every question are provided...
Assessment
Tools (HL) (1)
only: This first HL multiple choice test on Tools (1) contains 20 questions covering the content of this topic. Explanations as to why A, B, C or D is the best answer to each and every question are provided...