Atoms & Molecules
A T O M I C T H E O R Y Reg
Unit 3: Structure and Properties Lesson 1: Atomic Structure ScientistContribution to Atomic TheoryExperiment.
4.2 THE STRUCTURE OF AN ATOM. Atomic Structure Atoms are composed of 2 regions: Nucleus: center of atom that contains mass of atom Electron cloud: region.
1 Atomic Structure. 2 3 Overview of topic Atomic Structure Structure of Atoms Isotopes Electronic Arrangement Electronic Structure and the Periodic Table.
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.
Unit 3 Practice Questions I.Ionic Bonding Questions 1-3 refer to the following: (A)X + (B)X +2 (C)X +3 (D)XO 3 -2 (E)XO 4 -2 1.A type of ion found in sodium.
Physical Chemistry 2 nd Edition
History on the Organization of Elements Antoine Lavoiser - organized known elements (very few) into metals, non metals, gases, and earths Dmitri Mendeleev.
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.
Basic Electrical Circuits Advanced Design Applications Mr. Brooks.
