Chem 241-2009

Exam #2 Topics

Boron:

Boron Hydrides

Boron vs. Aluminum Halides

Hydroxides, especially trends among Li, Mg, B, Al

B oxides, color safe bleache

Boron nitride

Carbon:

Phase diagram for diamond/graphite

Industrial production of diamond

Silicon

Silanes

Silica, Silicates

Zeolites

Structure

Al replacement, hydrophilicity

Silicones

Computer chips

Band theory of conductors, etc.

Intrinsic semiconductors; valence vs. conduction bands

n-type and p-type Doped Semiconductors

np junctions

Fabrication: Making really pure silicon, masks, etc.

Global Warming

Earth’s energy balance

Blackbody radiation: the sun and the earth

IR Active vibrations

The math of Global energy balance

Chemistry of B&W photography

Coordination (transition metal) Chemistry

Ligand types

Coordination number vs. denticity

Determining oxidation states

Isomerism: types of isomers and numbers of isomers possible

Symmetry

Symmetry elements

Point groups