Structure 1. Models of the particulate nature of matter
S1.1 Introduction to the particulate nature of matter
S1.2 The nuclear atom
S1.3 Electron configurations
S1.4 Counting particles by mass: The mole
S1.5 Ideal gases
Structure 2. Models of bonding and structure
Structure 3. Classification of matter
Reactivity 1. What drives chemical reactions?
Reactivity 2. How much, how fast and how far?
Reactivity 3. What are the mechanisms of chemical change?
Master S1.2 The nuclear atom with International Baccalaureate (IB) Chemistry exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.
S1.2.1 Atomic Structure
S1.2.2 Isotopes
S1.2.3 Mass Spectrometry (Higher Level Only)
Videos
Master each concept with an explainer video
Textbooks
Comprehensive notes with diagrams and examples
Lessons
Step-by-step lessons and quizzes
Flashcards
Learn key concepts with active recall
Cheatsheets
Chapter summaries, key concepts, and exam tips
Question Bank
Practice questions with AI feedback