1.   2. Atom and Molecules Prepared By: Fahad And Arsalan 3.   4. An atom is the smallest unit that maintains the characteristics of an element Nucleus- The center of the…

1. ATOMIC THEORY Building blocks of matter 2. In the beginning Empedocles: Earth, Fire, Water, Air 3.   4. DEMOCRITUS IN 400 BC,DEMOCRITUS SAID: ALL MATTER IS MADE UP OFTINY…

Slide 1 Slide 2 Unit 3: Structure and Properties Lesson 1: Atomic Structure ScientistContribution to Atomic TheoryExperiment Slide 3 Atomic Structure Chemistry 12: Chapter…

Slide 14.2 THE STRUCTURE OF AN ATOM Slide 2 Atomic Structure Atoms are composed of 2 regions: Nucleus: center of atom that contains mass of atom Electron cloud: region that…

Slide 11 Atomic Structure Slide 2 2 Slide 3 3 Overview of topic Atomic Structure Structure of Atoms Isotopes Electronic Arrangement Electronic Structure and the Periodic…

Slide 1Development of Atomic Theory Slide 2 Democritus GREECE around 400 b.c. Democritus said: –47 The material cause of all things that exist is the coming together of…

Slide 1 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 acetate…

Slide 1 1 Elements, Atoms & Ions Chapter 4 Slide 2 2 Elements Over 112 known, of which 88 are found in nature –others are man-made Abundance is the percentage found…

Slide 1 Basic Electrical Circuits Advanced Design Applications Mr. Brooks Slide 2 What is electricity?  The movement of electrons through an electrical circuit. Slide…

History on the Organization of Elements Antoine Lavoiser - organized known elements (very few) into metals, non metals, gases, and earths Dmitri Mendeleev - organization…