LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 2

The learner will develop an understanding of the composition and properties of matter.

Objective 2.01
Analyze the structure of matter at the atomic level
  • Evidence for the atomic theory.
  • Atomic masses; determination by chemical and physical means.
  • Atomic number and mass number; isotopes.
  • Electron energy levels: atomic spectra, quantum numbers, atomic orbitals.
  • Periodic relationships including, for example, atomic radii, ionization energies, electron affinities, oxidation states.
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Objective 2.02
Examine the types of chemical bonds and the nature of each
  • Types: ionic, covalent, metallic, hydrogen bonding, van der Waals (including London dispersion forces).
  • Relationships to states, structure, and properties of matter.
  • Polarity of bonds, electronegativities.
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Objective 2.03
Analyze conceptual models of bonding and molecular shape and the relation to chemical and physical properties of matter.
  • Lewis structures.
  • VSEPR.
  • Valence bond: hybridization of orbitals, resonance, sigma and pi bonds.
  • Geometry of molecules and ions, structural isomerism of simple organic molecules and coordination complexes; dipole moments of molecules; relation of properties to structure.
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Objective 2.04
Assess the impact of nuclear chemistry
  • Nuclear decay equations.
  • Half-life and radioactivity.
  • Chemical applications.
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