Chem Quest
Principles of Physical Chemistry
Chapter 13 “Electrons in Atoms” Credits: Stephen L. Cotton Charles Page High School Mr. Daniel Olympic High School.
Chapter 2 Atoms, Molecules and Ions The Early History of Chemistry Before 16 th Century Greeks were the first to attempt to explain why chemical changes.
S3 “Atomic Structure”. Defining the Atom OBJECTIVES: OBJECTIVES: Describe Democritus’s ideas about atoms. Describe Democritus’s ideas about atoms.
Chapter 4 Atomic Structure. By the end of the chapter you WILL be able to… Describe Democritus’s ideas about atoms Describe Democritus’s ideas about atoms.
The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment.
Atoms, Ions and Molecules Dr. M. Abd-Elhakeem College of Biotechnology General Chemistry Lecture 2.
Ch. 4: Atomic Structure 4.1 Defining the Atom Democritus, Dalton atomic theories 4.2 Structure of the Nuclear Atom proton, neutron, electron, plum pudding.
Atoms History of Atomic Discovery— Models over Time.
“Atomic Structure” 1 Essential Question: Describe how the model of the atom has changed since the Greek idea of “Atomos”
“Atomic Structure” Greek Model Greek philosopher Idea of ‘democracy’ Idea of ‘atomos’ –Atomos = ‘indivisible’ –‘Atom’ is derived No experiments to support.
