California State University
Csudh Project for Chemistry: Elements, Moles, and Masses
Using a Periodic table with a list of atomic weights for reference, practice figuring moles of 103 elements.
US Energy Information Administration
U.s. Eia Energy Kids: Famous People: John Dalton
Brief biographical sketch of Englishman John Dalton, an early atomic theorist.
Wikimedia
Wikipedia: Henry Moseley
This site from the Wikipedia Encyclopedia provides an overview of the life of scientist Henry Moseley. This open-source encyclopedia site discusses his contribution to science and how he found a systematic relation between wavelength and...