He Ne Laser
Periodic Relationships Among the Elements Chapter 8 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
HISTORY CHARACTERSTICS CONSTRUCTION PRINCIPLE AND WORKING LIMITATIONS APPLICATIONS.
1.5 Types of lasers Lasers may be classified according to several criteria: We will somewhat arbitrarily look at lasers based on whether the gain medium.
Chapter 7; Electronic Structure of Atoms I.Electromagnetic Radiation II.Flame Test/ Emission Spectra III.Quantized Energy Levels IV.Bohr Model/ Rydberg.
CHAPTER 5. When the Elements Were Discovered ns 1 ns 2 ns 2 np 1 ns 2 np 2 ns 2 np 3 ns 2 np 4 ns 2 np 5 ns 2 np 6 d1d1 d5d5 d 10 4f 5f Ground State.
Components and Structure of the Atom Chemistry 142 A James B. Callis, Instructor Winter Quarter, 2006 Lecture #5.
The History of ATOMIC THEORY The Greeks Empedocles (490-444 BC) The four elements: fire, water, wind, and earth.
Components and Structure of the Atom
How many eggs are there in 5 dozen? How many moles are in 2.25 grams of the element iron, Fe?
