Slide 1 Unit 1: Atoms Slide 2 Scientists to Know … DALTON BOHR CHADWICK THOMSON RUTHERFORD DEMOCRITUS HEISENBERG Slide 3 The History of Discovering the Atom 1.Philosophical…
Slide 1 Slide 2 1 Development of Atomic Theory & Atomic Structure Slide 3 2 Atomic Theory u Many models/theories u hypothesis and experiments u Models and theories are…
Slide 1 Slide 2 WAY BACK WEDNESDAY! February 144/48, 2.010 x 10 3 DINOSAUR HOMEWORK FROM MONDAY PLEASE! A 500 kilogram man steps on a scale wanting to see if his new…
Slide 1 Slide 2 History of the Atomic Theory Slide 3 Ancient Greeks (B.C.) Aristotle Four Elements: Earth Water Air Fire Slide 4 Greek Atomists (460B.C.) Democritus : Matter…
Atoms, Ions, and the Periodic Table What is an atom? It is smallest particle of an element that retains the elements properties. But how did we come to know all the information…
Do you know whatâs next door? Introductory Comments: Elementary Particles The world we live in is exceedingly complicated. A scientist, trying to understand how the world…
Defining the Atom Unit 2: Atomic Theory and Structure (c. 400 B.C.) Democritus proposed that âatomosâ are indivisible. Atom: smallest particle of matter that retains its…
Chapter 3 Chapter 4 Atomic Structure ___________ means indivisible, from Democritus (Greek, 400BC) smallest particle of an element that retains the chemical properties of…
4.1 Defining the Atom Early Models Democritus (about 400BC)-matter composed of tiny, indivisible particles Dalton (about 1800)- - used scientific method transformed Democritusâ…
Unit 4 – Atomic Structure Bravo – 15,000 kilotons Atoms, Ions, and the Periodic Table What is an atom? It is smallest particle of an element that retains the elements…