1 History of the Atom atom n. A unit of matter, the smallest unit of an element, consisting of a dense, central, positively charged nucleus surrounded.
The Scientists of the Atomic Theory Period 1. John Dalton (1766-1844)
Chapter 3 Chemical Reactions and Earth’s Composition.
Chapter 22, Macromolecules and aggregates Ideality and reality Simplicity of small systems and complexity of real systems Entropy and order Dealing with.
