Slide 1 Reading quiz – get out a sheet of paper and a writing utensil. In the Davisson Germer experiment, Davisson and Germer shot a beam of electrons at a lattice of Nickel…

Slide 1 “Is the state of the cat to be created only when a physicist investigates the situation at some definite time? Nobody really doubts that the presence or absence…

Chapter 9 Atomic Physics Atomic Physics Classical physics (Newtonian physics) – development of physics prior to around 1900 Classical physics was generally concerned with…

Electrons in Atoms Chapter 5 Do you remember the early steps in development of atomic theory? John Dalton – Billiard Ball Theory atom was indivisible J.J. Thomson – Plum…

Unit 2 - Chapter 3 Elements, Atoms, Ions The elements Can we name some? How many are there? Where would you find that information? Element Symbols Each element has a unique…

Electrons in Atoms Chapter 5 What were the early steps in the development of atomic theory? John Dalton – Billiard Ball Theory. Atom was indivisible. J.J. Thomson – Plum…