Main Page

The Chemistry Book is a wiki written for high school students located in California or students using the textbook entitled World of Chemistry by Zumdahl, Zumdahl, and DeCoste. All materials were developed to correlate with the Chemistry Content Standards for California.

TCB Featured Scientist

Henry Cavendish (1731-1810) was a British chemist and physicist. <ref> Maxwell, J. C. (1967). References "Electrical Researches of the Honourable Henry Cavendish" Retrieved January 29, 2009 from http://scienceworld.wolfram.com/biography/Cavendish.html </ref> He was given the credit for discovering the properties of "inflamable air," later named hydrogen by Lavoisier; and by confirming that water is a compound of hydrogen and oxygen.

Recently added biography on TCB
Henry Moseley• Jean Baptiste Perrin• Evangelista Torricelli

TCB Featured Chemistry Video

TCB Featured Article

Absolute zero is the zero point temperature in Kelvin and Rankine temperature scales in which there is no motion. As heat is added to the system then motion increases, and may be measured by a thermometer.

Recently Added Article on TCB
Molality• Learning chemistry• Nuclear decay

TCB Featured Element

Main article: Iodine

Iodine is a chemical element. The name is from Greek ἰοειδής ioeidēs, meaning violet or purple, due to the color of elemental iodine vapor.(Wiki)

Name	Iodine
Atomic Number	53
Atomic Weight	126.90447
Symbol	I
Melting Point ( °C )	113.7 °C
Boiling Point ( °C )	184.3 °C
Density (g/cm3)	4.933
Earth crust (%)	0.490
Discovery (Year)	1811
Group	17
Electron configuration	Kr 4d10 5s2 5p5
Ionization energy (eV)	1008.4

Recently Added Article on TCB
Primordial elements• Trace radioisotope• Synthetic elements

TCB Latest News

Main article: Archived News

June, 2010: News has been moved to WordPress installation as well as wiki edits now show in the activity stream.

Do you see an error on this page? Please create an account and help us edit this page. Your help is greatly appreciated.