3.2.1
Periodicity
Course revision notes and study resources.
Classification of Elements
Classification into s, p, and d blocks based on electron configuration and repeating periodic patterns.
→Physical Properties of Period 3 Elements
Trends in atomic radius, first ionisation energy, and melting/boiling points across Period 3 explained by structure and bonding.
→Electronegativity
Definition of electronegativity, Pauling scale values, and group and periodic trends explained by atomic structure.
→Exam Practice
MCQs and structured questions with AQA mark scheme answers.
→Flashcards
Review key definitions and concepts with interactive flashcards.