Molecular Orbital Diagram Practice

February 15, 2015

University of Sydney has created a practice website for reviewing different parts of molecular orbital diagrams. Using this resource you can add pieces to pre-drawn MO diagrams for over 20 different molecules.

The site includes opportunities to practice filling in electrons, attaching the names/symbols of MOs, and matching orbital overlap drawings to MOs.

Give them a try here:

https://scilearn.sydney.edu.au/fychemistry/calculators/mo_diagrams.shtml

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Colour of Gemstones

February 11, 2015

Chemistry blog Compound Interest maps out a beautiful image on a variety of common gemstones and the inorganic components which contribute to their observed color.

http://www.compoundchem.com/2014/06/29/what-causes-the-colour-of-gemstones/

View the picture and more in the link above or copy and paste the URL.

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