Module 2: Foundations in chemistry
Atomic structure and isotopes (2.1.1)
3 min read
The structure of the atom, the existence of isotopes, relative mass, and the use of mass spectroscopy for determining isotopic abundance.
Compounds, formulae and equations (2.1.2)
2 min read
Writing ionic formulae and balancing chemical equations.
Amount of substance (2.1.3)
8 min read
Moles, atomic mass, Avagadro's constant, concentration, molar gas volume, ideal gas law, molecular formulae, empirical formulae, atom economy and percentage yields.
Acids (2.1.4)
6 min read
Common acids, reactions of acids, neutralisation and acid-base titration.
Redox (2.1.5)
4 min read
Assigning oxidation numbers and the basics of redox in terms of electron transfer and changing oxidation state.
Electron structure (2.2.1)
6 min read
An overview of how electrons are arranged within shells, orbitals and suborbitals within an atom.
Bonding and structure (2.2.2)
13 min read
Covalent and ionic bonding, simple and giant structures, molecular geometry, electron pair repulsion theory, and intermolecular forces.