WASSCE Chemistry · Foundations & Atomic Theory
Introduction to Chemistry
What chemistry is, branches of chemistry, physical vs chemical changes, and basic separation techniques.
- lessons
- 2
- of study
- 15 min
- free to read
- 1
Across the topic: 9 sections · 1 worked example · 2 diagrams
Topic content
Lessons in this topic
2 lessons · 15 min
- 1What chemistry is: branches, importance and careers7 minFree7 minFree
- 2Scientific method, measurement and laboratory safety8 min Plan8 min Plan
- The scientific method
- Measurement and units
- Common laboratory apparatus
- Laboratory safety
1 worked example · 1 diagram
Learn introduction to chemistry step by step
Unlock both lessons on introduction to chemistry, plus every other WASSCE Chemistry topic, exam-style practice marked instantly and guided learning tools.
- Free account, no card needed
- Everything from 25 NLe
- No automatic renewal
More in Foundations & Atomic Theory
All Chemistry topics- 02Particulate Nature of MatterAtoms, molecules, and ions — Dalton's atomic theory and the evidence that matter is made of particles.1Matter: particles, elements, compounds and mixturesFree2Separating mixtures and testing for purity9 min 2 lessons 16 min
- 03Atomic StructureProtons, neutrons, electrons, atomic number, mass number, isotopes, and relative atomic mass.1Inside the atom: particles, atomic number and isotopesFree2Relative atomic mass and radioactivity9 min 2 lessons 17 min
- 04Electronic ConfigurationEnergy levels, sub-shells, and how to write the electron arrangement of any element up to atomic number 20.1Shells, sub-shells and orbitalsFree2Writing electron configurations: Aufbau, Pauli and Hund6 min 2 lessons 13 min
- 05The Periodic Table and PeriodicityGroups, periods, and trends in atomic radius, ionisation energy, electronegativity, and metallic character.1The periodic table: development, groups, periods and blocksFree2Periodic trends: size, ionisation energy and electronegativity7 min 2 lessons 14 min