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Chemistry topics

Foundations of Chemistry

Atomic Theory & Structure

Foundations of Chemistry

  • Scientific method & experimental design
  • Observations vs. inferences
  • Significant figures & scientific notation
  • Accuracy, precision, and error analysis
  • Dimensional analysis (unit conversions)

Classification of Matter

Atomic Theory & Structure

Foundations of Chemistry

  • Pure substances vs. mixtures
  • Elements, compounds
  • Homogeneous vs. heterogeneous mixtures
  • Physical vs. chemical properties
  • Physical vs. chemical changes
  • Separation techniques (filtration, distillation, chromatography)

Atomic Theory & Structure

Atomic Theory & Structure

Atomic Theory & Structure

  • Historical models (Dalton → Thomson → Rutherford → Bohr → quantum model)
  • Subatomic particles: protons, neutrons, electrons
  • Isotopes & average atomic mass
  • Nuclear symbols, mass number, atomic number

The Mole Concept

Electron Configuration & Periodicity

Atomic Theory & Structure

  •  Avogadro’s number
  • Converting between moles ↔ particles ↔ mass
  • Percent composition
  • Empirical & molecular formulas

Electron Configuration & Periodicity

Electron Configuration & Periodicity

Electron Configuration & Periodicity

  • Wave–particle nature of the electron
  • Quantum numbers (at HS level, simplified as needed)
  • Orbital diagrams, electron configurations, noble-gas notation
  • Periodic table organization
  • Periodic trends: atomic radius, ionization energy, electronegativity, reactivity
  • Metals, nonmetals, metalloids
  • Valence electrons & periodic behavior

Chemical Bonding

Electron Configuration & Periodicity

Electron Configuration & Periodicity

  • Ionic vs. covalent bonding
  • Formation of ions
  • Lewis dot structures (simple) and VSEPR
  • Polarity of bonds & molecules
  • Properties of ionic vs. molecular compounds

Chemical Nomenclature

Chemical Nomenclature

Chemical Nomenclature

  • Naming ionic compounds (binary + polyatomic)
  • Naming molecular compounds
  • Writing formulas from names
  • Basic acids (if covered first semester)

Properties of Gases

Chemical Nomenclature

Chemical Nomenclature

  • Gas laws (Boyle, Charles, ideal gas)

Stoichiometry

Chemical Nomenclature

Stoichiometry

  • Mole ratios
  • Mass-to-mass calculations
  • Limiting reactant & percent yield

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