Slide 1The History of Atomic Theory Mr Nelson Slide 2 Democritus The Greek philosopher Democritus began the search for a description of matter more than 2400 years ago. He…
Slide 1Chapter 4 Slide 2 4.1 Atoms Democritus (460 BC – 370 BC) first suggested the idea of atoms Indivisible and indestructible Slide 3 Atoms The first model of the atoms…
Slide 1Mr Nelson Slide 2 Slide 3 The Greek philosopher Democritus began the search for a description of matter more than 2400 years ago. He asked: Could matter be divided…
Slide 1Chapter 7 Expanding the Theory of the Atom Slide 2 l Democritus and Leucippus - Matter is made up of indivisible particles l Dalton - one type of atom for each element…
Slide 1Atomic Models Through Time Slide 2 Democritus @400 B.C. Theorized that if you were to cut something in half, then cut it in half again and again… Eventually you…
Slide 1 Slide 2 1. The ancient Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? a) Element b) Electron c) Atom d) Molecule…
Slide 1Nuclear Chemistry Slide 2 Nuclear Chemistry Objectives Students will be able to identify what radioisotopes are and why they undergo radioactivity. Students will be…
1.HISTORY, MODELS AND SUBATOMIC PARTICLES The Atom 2. History of the Atom Speculations of what matter is made up was prominent in Ancient Greece. They thought matter was…
1.CHAPTER 4: ATOMIC STRUCTURE AND ENERGY LEVELS IN AN ATOM Dr Ahmad Taufek Abdul Rahman School of Physics & Material Studies Faculty of Applied Sciences Universiti Teknologi…