A molecule is a neutrally charged structural unit of 2+ atoms. E.g. NaOH or O2.

Molecules are held together by covalent bonds.

Molecular Representation

  • Names: Common Name (e.g. Water), Systematic Name (e.g. oxidane)
  • Formulae: Empirical or Molecular
  • Visual Representations:
    • 3D structures represented in 2D:
      • Structural Formula e.g. H2O = H-O-H
    • 3D images:
      • Ball and Stick Model
      • Space-Filling Model