Structure, Bonding & Material Type Synthlet
Electronegativity plus valency can be used to predict a binary material's structure, bonding & material type with good – but not perfect – accuracy using a semi-quantitative van Arkel-Ketelaar Triangle + Laing Tetrahedron. Read about the logic behind the model on the previous few pages of this web book. Have a play around... select a pair of elements from the two drop menus:
Have a play around... select a pair of elements from the two drop menus:
From The Chemical Thesaurus Database
Yes, the synthlet does make mistakes. For example, the well known gas carbon dioxide, CO2, is predicted to be a network covalent material like sand: silicon dioxide, SiO2.
But the model is right more than 90% of the time... and it is the fact that the model does not always predict correctly that makes chemistry so facinating!
|Tetrahedra of Material Type||Classification of Matter|
© Mark R. Leach 1999 –
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