Sunday, March 28, 2004
Germanium Facts
Sections on the properties, uses, and sources for germanium have been added to its periodic tableentry.
Thursday, March 25, 2004
Chemistry Glossary Update
Definitions for the following terms have been added to the glossary: van't Hoff rule, vicinal, vinyl alcohol, vinyl group, wedge and dash projection, Wurtz reaction, X group, Z (zusammen), and Zaitsev rule.
Wednesday, March 24, 2004
What Is the Most Toxic Chemical Compound?
How poisonous something is depends a lot on how it's administered and several other factors, but this list will give you a general look at some of the most toxic substances known to man.
Monday, March 22, 2004
Chemistry Glossary Update
Definitions for the following terms have been added to the glossary: Baeyer reagent, benzenoid ring, benzyl group, benzyne, bond angle, bond-dissociation energy, bond length, bonding molecular orbital, branched chain alkane, and carbanion.
Monday, March 15, 2004
What Is the Sweetest Compound?
Did you know there are sweeteners that are 200,000 times sweeter than table sugar? Take a look at this list to find out how your favorite sweetener rates.
Friday, March 12, 2004
Element Symbol Matching Quiz
Here's a challenging matching quiz. I've selected elements and their symbols from across the periodic table, with an eye toward those often thought to be confusing.
Thursday, March 11, 2004
Element Symbol Matching Quiz
Can you match the names of the elements to their corresponding symbols? Here's an easy quiz to test your skill, using 10 of the first 18 elements. Have fun!
Sunday, March 7, 2004
What Is Red Mercury?
Is it a secret, wildly explosive compound used to make deuterium-tritium fusion bombs for use by terrorists? Maybe there's a more conventional explanation...
Monday, March 1, 2004
What Is the Most Bitter Compound?
I've had some scorched coffee that I'm sure should have qualified for this award, but it turns out there's a real answer to this question of taste. Do you know what it is?
