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 1 Slide 2 Slide 3 Slide 4 Slide 5 1.Infernal And shall cast them into a furnace of fire: there shall be wailing and gnashing of teeth. Slide 6 1.Infernal 23 And in…

Slide 1Chapter 3 Discovering the atom and subatomic particles (History of modern chemistry) Slide 2 3.1 Chemistry developed out of interest in materials The ability to control…

Slide 1© Alan Burns and Andy Wellings, 2001 Atomic Actions, Concurrent Processes and Reliability Goal To understand how concurrent processes can reliably cooperate in the…

Slide 1 Slide 2 Models or Theories Allow scientists to communicate their ideas to others. A model should be able to explain previous observations and predict future outcomes.…

Slide 1Atoms & Elements Slide 2 What is an atom? An atom is the smallest particle of an element that retains its identity in a chemical reaction. Word origin: atom comes…

Slide 1Models of the Atom Humans Try Lots Of Ideas Slide 2 A Greek philosopher, Democritus, lived about 2500 years ago. He suggested that matter cannot be divided indefinitely,…

Slide 1Atomic Structure Believing What You Cannot See Slide 2 Early Models of the Atom Democritus (4 th Century BC) Democritus (4 th Century BC) Was the first to propose…

Slide 1 Slide 2 Democritus: Believed all matter consisted of extremely small particles that could not be divided. Called these particles “Atomos”- Greek word meaning…

Slide 1 Atomic Theories- Part I Chemistry Mrs. Coyle Slide 2 A) Early Atomic Theories Slide 3 Atom The word atom comes from the Greek and means “indivisible”. Slide 4…