Atomic Theory and Structure
The Mole and Atomic Mass
F. Senese, Frostburg State U. - From General Chemistry Online, the mole and molar calculations
Essay on a Manner of Determining the Relative Masses of the Elementary Molecules of Bodies
A. Avogadro's 1811 paper introducing the equal volume hypothesis.
Sketch of a course of chemical philosophy
S. Cannizzaro's 1858 atomic weight paper.
On the size of the air molecules
J. Loschmidt's 1865 paper.
News & Events
News from around the world of science.
Google - Research database allows searching of the scholarly literature.
Next Generation Science Standards (NGSS)
Next Generation Science Standards: For States, By States
National Academies Press: A Framework for K-12 Science Education