Unit 2 Chapter 3 & Chapter 19 The Structure of the Atom & Nuclear Chemistry 1.
AP Chemistry Chapter 2 Atoms, Molecules & Ions. The Atomic Theory of Matter Democritus (460 – 370 BC) – Greek philosopher – Thought that material was.
EARLY ATOMIC THEORIES. DEMOCRITUS The Greek philosopher Democritus (460-370BC) was the first person to propose the idea that matter was not infinitely.
Chapter 2
1 Chapter 5 Atoms, Molecules, and Ions 2 History n Greeks n Democritus and Leucippus - atomos n Aristotle- 4 elements. n Alchemy-experimentation n 1660.
Introduction to the Atom and Atomic Models. Atomic - Molecular Theory of Matter The Atomic - Molecular Theory of Matter states that all matter is composed.
Copyright McGraw-Hill 20092 Chapter 2 Atoms, Molecules, and Ions.
1. 2 Early Thoughts 3 Democritus (about 470-370 B.C.) thought that all forms of matter were made of tiny particles called “atoms” from the Greek “atomos”
Atomic Theory
EARLY Atomic theories
Chapter 3
Chapter 4 Chemical Foundations: Elements, Atoms, and Ions
