Unit II : Atoms, Molecules, Ions and Nuclear Chemistry.
I. Structure of the Atom The Early Models of the Atom.
MODELS OF ATOMS ÞDemocritus(400 B.C): said that matter is composed of indestructible particles. He called them atoms, a Greek word which means indestructible.
CHEMICAL COMPOUNDS AND FORMULAS. ELEMENTS AN ELEMENT IS A PURE SUBSTANCE CONTAINING ONLY ONE KIND OF ATOM.
Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 The Early History of Chemistry 4 Before 16th Century – Alchemy: Attempts (scientific.
Unit 2 Atomic Number, Mass Number and Isotopes. Homework Complete worksheet 4A Read Pages 29-31 Chapter 2 problems: 8, 10, 14,16 Test scheduled.
Investigating Atoms and Atomic Theory
Chapter 2
1 Chapter 2 Atoms, Molecules and Ions Preview: Fundamental Chemical Laws and Atom. Modern View of Atomic Structure, Molecules, and Ions. Periodic Table.
Summer Review
