Chem 304 Spring 2002

Exam 1 Study Guide



A. 10 definitions chosen from the following terms (2 points each)

Element

Organic Chemistry

Atom

Molecule

Compound

VSEPR

linear molecule

angular molecule

pyramidal molecule

tetrahedral molecule emperical formula

molecular formula

structural formula

condensed formula

line formulaIonic bond

covalent bond

polar bond

formal charge

solvent

solute

intermolecular forces

van der Waals force

dipole-dipole interaction

hydrogen bond

functional group

isomer

eclipsed conformation

staggered conformation

conjugation

hybrid atomic orbital

B. Concepts

1. Be able to describe in detail the structure of an atom, including electron configuration

2. Given a reasonably-sized molecule, be able to draw the correct Lewis dot structure

3. Be able to use the Lewis dot structure to be able to predict molecule shape, polarity and solubility

4. Be able to interconvert and interpret molecular, structural and line formulas

5. Know the formula for formal charge and be able to calculate the formal charge of the commonly encountered molecules or ions

6. Be able to name molecules of the size and complexity we have been encountering

7. Be able to predict the most likely conformation a molecule will exist in

8. Using a chart or figure provided, be able to identify the source of prominent peaks in an IR spectrum

9. Be able to distinguish between the IR spectra of two different molecules