1. ATOMS:THE BUILDING BLOCKS OF MATTER Chapter 3 2. Law of Conservation of Mass Mass is neither destroyed or created during chemical reactions. Chemical compounds contain…

1. Investigating Atoms and Atomic Theory  Students should be able to:  Describe the particle theory of matter.  Use the Bohr model to differentiate among the three…

1. Atomic Models: Everything You Need to Know The History of Atomic Theory Miss Reaves 8 thGrade Science 2. Atomic Models This model of the atom may look familiar to you.…

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…

1.The AtomNotes2. The AtomFrom the Greek prefix A- meaning“not”And the Greek Root –tomos meaning“cut”Means “uncuttable”The ancient Greeks wanted to learn aboutthe…

Slide 1 The History of Atomic Theory Slide 2 The atom We know the atom is made up of 3 particles... What are they? Slide 3 3 Subatomic Particles Protons = Positively charged…