Chemistry Notes

I shall be posting here resources which will help you to understand better and in depth the concepts we study in our course.

Tuesday, January 09, 2007

Bonding lessons

Explanation of ionic, covalent and metallic bond in lecture of Khan academy:

http://www.youtube.com/watch?v=CGA8sRwqIFg&feature=related

Here are some interesting bonding lessons with good animations:

http://www.chemguide.co.uk/atoms/bondingmenu.html#top

http://www.chem.ox.ac.uk/vrchemistry/electronsandbonds/intro1.htm

http://www.ausetute.com.au/intermof.html

http://www.creative-chemistry.org.uk/molecules/index.htm

A good site for Lewis structures of molecules with quiz questions:

http://grandinetti.org/Teaching/Chem121/Lectures/LewisDot/


What is VSEPR theory?

http://www.chemistry-teaching-resources.com/VSEPR.html

http://www.youtube.com/watch?v=nxebQZUVvTg

http://www.youtube.com/watch?v=i3FCHVlSZc4


Intermolecular forces determine many properties of the substances. Read here to learn more about their nature:

http://www.chemguide.co.uk/atoms/bonding/vdw.html#top

Gecko forces-what are they?

http://www.bbc.co.uk/news/science-environment-19875247

Some confidence building questions on intermolecular forces:

http://www.science.uwaterloo.ca/~cchieh/cact/c123/intermol.html


Relationship between structure and properties:

http://www.chemguide.co.uk/atoms/structures/ionicstruct.html#top

Water and its "unusual" properties!

http://www.lsbu.ac.uk/water/sitemap.html

http://www.youtube.com/watch?v=Wnx9thXySGw&context=C39dffccADOEgsToPDskKImjsWWDQRMryyVdchJ21H

http://www.youtube.com/watch?v=DVCYlST6mYQ




To read about the hybridization you can browse this site:

http://www.chemguide.co.uk/basicorg/bondmenu.html#top

Allotropic forms of Carbon:

http://www.bbc.co.uk/schools/gcsebitesize/science/add_gateway/chemical/nanochemistryrev1.shtml

http://www.chemicool.com/elements/carbon.html

What are the buckyballs (fullerenes)? How were they discovered and many interesting facts about this new allotropic form of carbon you can read on the following sites?

http://www.youtube.com/watch?v=ljF5QhD5hnI

http://scifun.chem.wisc.edu/chemweek/buckball/buckball.html

http://mathforum.org/alejandre/workshops/buckyball.html

And...what is graphene?

http://www.bbc.co.uk/news/technology-14730689