Development of Atomic Theory. Democritus GREECE around 400 b.c. Democritus said: –47 The material cause of all things that exist is the coming together.
Copyright©2004 by Houghton Mifflin Company. All rights reserved. 1 Elements, Atoms & Ions Chapter 4.
Crystal Structure of a Polyethylene Oxide-Urea Inclusion Compound: the End of a 45-year-old Story Laura Adduci Professor Bruce Foxman Brandeis University.
Concept of the Atom Democritus 400 B.C.E., Greece Democritus.
1 Elements, Atoms & Ions Chapter 4. 2 Elements Over 112 known, of which 88 are found in nature –others are man-made Abundance is the percentage found.
