Prof Mark J. Winter

Web sites under development

• The Orbitron gallery of atomic orbitals and a few molecular orbitals
• Sheffield ChemPuter interactive calculators for chemistry:
  • Isotope Patterns
  • Element percentages
  • Reaction yield
  • Classification
    • Valence number (VN)
    • Coordination number (CN)
    • Oxidation number (ON)
    • MLXZ classification
    • MLXZ equivalent neutral class (ENC) classification
  • VSEPR shape of simple molecules
• VSEPR tutorial
• WebElements: the periodic table on the web
• Chemdex: compounds database (coming soon)

Very early days on the WWW

• Chemistry and the WWW (Chemistry in Britain, 1995)