3.2.1Inorganic chemistry
Periodicity
Classifying elements into blocks, physical properties across Period 3, and electronegativity.
- Year 1 (AS)
- 3 lessons
- Exam practice and flashcards
- LESSON 1Classification of Elements
Classification into s, p, and d blocks based on electron configuration and repeating periodic patterns.
- LESSON 2Physical Properties of Period 3 Elements
Trends in atomic radius, first ionisation energy, and melting/boiling points across Period 3 explained by structure and bonding.
- LESSON 3Electronegativity
Definition of electronegativity, Pauling scale values, and group and periodic trends explained by atomic structure.