Khan Academy: Biology: Properties of Carbon: Hydrocarbon Structures and Isomers

Venture into the world of macromolecules with three exciting, distinct laboratory activities. Young chemists examine the forms of carbon and discover how they are associated with atomic arrangement, construct models of carbon-containing...

Explore whether silicon could be as important to life as carbon. [6:32]

Learn about structural isomers, stereoisomers, geometric isomers, cis-trans isomers, and enantiomers n this video. [6:48]

Learn a new technique for representing organic molecule structure called line or line-angle diagram. This technique was created by Khan Academy founder, Sal Khan. [7:28]

Learn the fundamental properties of atoms in this article. Understand the definition of atomic number, atomic mass, and isotopes. [6 min, 50 sec]

A video exploring how the functional groups are added to hydrocarbons.Video reviews over hydroxyl, sulfhydryl, carbonyl, carboxyl, amino and phosphate groups, as well as alcohols and thiols. [10:11]

How can something we can't see be so powerful? Gas molecules make an impact! This video explains their properties: 1. Gas particles always move in a straight line. 2. They are too small to occupy any volume individually. 3. When gas...

Immune responses including innate, adoptive, humoral and cell-mediated. [8:07]

Learn the basics of using electron configuration to put together Lewis structures in this video. Also, explore how valence electrons are involved in creating bonds. [10:56]

It's time we get to the heart of the matter! Explore standard PS1A in an informative video. The narrator guides viewers through the basic ideas of the structure and properties of matter. then discusses helpful strategies...