Monday, December 28, 2004
Chemical Reaction Orders
Learn how to classify chemical reactions using kinetics. Identify and define zero, first, second, mixed, and higher order reactions.
Monday, December 20, 2004
Christmas Chemistry - Make Peppermint Creme Wafers
Chemistry and cooking share a lot in common! You can have some Christmas chemistry fun in the lab making these peppermint cream wafer candies.
Tuesday, December 14, 2004
Rules for Assigning Oxidation Numbers
Learn how to assign oxidation numbers to keep track of the distribution of electrons during a chemical reaction.
Monday, December 8, 2004
Balancing Redox Reactions
Get step-by-step instructions for balancing redox reactions for conservation of mass and charge in electrochemistry.
Monday, November 22, 2004
Thorium Facts
The periodic table entry for thorium has been updated to include information about the element's word origin, isotopes, properties, uses, and sources.
Monday, November 15, 2004
Chemistry Glossary
Several new terms have been added to the glossary.
Monday, November 8, 2004
Grow Purple Chromium Alum Crystals
Learn how to grow purple chromium alum crystals and how to grow clear crystals over a core of colored crystals.
Monday, November 2, 2004
Salt Formation
Learn about the chemistry behind salt formation, including neutralization and hydrolysis reactions.
Monday, October 25, 2004
Chemical, Physical, and Nuclear Changes Quiz
Do you understand the differences between the types of changes and the concepts associated with these reactions?
Monday, October 18, 2004
Solubility Product Constants at 25°C
This is a table of the solubility product constants for some common ions in aqueous solution at 25 degrees Celsius.
Monday, October 11, 2004
Mercury Facts
The entry for Mercury has been updated to include information about the element's word origin, properties, uses, and sources.
Monday, October 4, 2004
More on Red Mercury
William Yerkes shares his thoughts about red mercury.
Monday, September 27, 2004
Elements Named for Places
Here's an alphabetical list of elements named for places or element toponyms.
Sunday, September 19, 2004
Phases of Matter Quiz
Take this multiple choice quiz to test your understanding of the states of matter.
Sunday, September 12, 2004
Top Science Toys
The listing of science toys has been updated to reflect the latest and greatest in educational fun for 2004.
Tuesday, September 7, 2004
Opposed to Fluoridation of Public Drinking Water
... and here's an overview of the reasons for my position.
Sunday, September 5, 2004
What Is a Chemical?
Here's the answer to this fundamental chemistry question.
