BISC 220Lg Lecture Notes - Lecture 2: Unpaired Electron, Chemical Formula, Starch
16 Jan 2016
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Document Summary
Bisc 22o: building blocks of organic chemistry, carbon skeletons i. Carbon is the main atom of life because of its four unpaired electron pairs. Carbon skeletons vary by bonds, size, and attached functional groups: single bonds allow flexibility, double bonds don"t rotate functional groups. Isomers: molecules with the same chemical formula, but different structures i. Structural isomers may move their functional groups around. ii. In the cis group, both functional groups exist on one side of the molecule. In the trans molecule, the functional groups oppose eachother. iii. Enantiomers are isomers which perfectly mirror one another (but often have drastically different functions: functional groups of organic compounds i. ii. Alcohols : are polar, help to dissolve sugars. (ex. The molecule is a ketone if the carbonyl group is in the middle of the carbon chain, or it is called an aldehyde if the carbonyl group is at the end. (ex.
