
About Lesson
Click on Exercise Files to download the Introduction to Chemistry (Notes and Questions)
Study Guide for “Introduction to Chemistry”
Key Topics to Focus On
- Basic Concepts of Chemistry:
- Definition and importance of chemistry.
- Branches of chemistry (e.g., organic, inorganic, physical).
- Matter: classification, states, and properties.
- Atoms and Molecules:
- Structure of the atom: subatomic particles (protons, neutrons, electrons).
- Atomic theories and models.
- Molecules and molecular composition.
- Chemical Reactions:
- Types of chemical reactions (combination, decomposition, single replacement, double replacement, combustion).
- Reactants and products.
- Balancing chemical equations.
- The Periodic Table:
- Elements and their properties.
- Trends in the periodic table (atomic size, electronegativity, ionization energy).
- Stoichiometry:
- Moles and molar mass.
- Calculating empirical and molecular formulas.
- Conversions between grams, moles, and particles.
- Chemical Bonding:
- Ionic, covalent, and metallic bonds.
- Lewis dot structures and VSEPR theory.
- Polarity and intermolecular forces.
- Basic Thermodynamics:
- Energy changes in chemical reactions.
- Endothermic vs. exothermic processes.
- Enthalpy, entropy, and Gibbs free energy.
Study Tips
- Review the practice questions to apply your understanding of the topics.
- Memorize key formulas and practice using them with sample problems.
- Familiarize yourself with the periodic table trends and their implications.
- Work on balancing equations and calculating moles and masses in reactions.
Exercise Files