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Chapter 4: The Structure of the Atom

4.1 Early Theories of Matter
Philosophers - Greek ( fire, earth, air, water, Aristotle, Democritus - atom )
19th Century - John Dalton ( atom ), Alchemy

4.2 Subatomic Particles and the Nuclear Atom
Electron, proton, neutron, cathode ray tube, Millikan, J.J. Thompson, Rutherford
( alpha particle, gold foil ) nucleus, Chadwick ( neutron )

4.3 How Atoms Differ
Atomic number, Moseley
atomic number = # protons = # electrons
isotopes and mass number, atomic mass unit ( AMU )

4.4 Unstable Nuclei and Radioacive Decay
Radioactivity, nuclear reactions, radiation
Types of radiation, alpha a ( 2+ ), gamma ? ( no charge ),
beta ß ( 1- )

  Homework
Section 4.1 Early Theories of Matter
  1. 10/4/2016 Read Ch 4.1 p. 87-89 and do Venn Diagram comparing Democritis's, Aristotle's and Dalton's theories of how matter is made up. (5 pts) 3 circles
  2. 10/6/2016 EX CR OPPORTUNITY
    LINK - Instructions for Dalton's Playhouse - MAXIMUM OF 16 PTS EX CR.
    Due Friday 10/14
  3. 10/24/2016 Practice Quiz Ch 4,3,2 coming Wed 10/26     1-30
  4. 10/25/2016 Practice Quiz Ch 4,3,2 coming TOMORROW 31-58 - Standard Directions
Section 4.2 Subatomic Particles of Matter
  1. 8/30/2016 RUBRIC - Lab Procedures Density Lab
  2. 10/5/2016 No Homework tonight
  3. 10/5/2016 LINK - Atom Song
  4. 10/6/2016 LINK for Cathode Ray Tube ( CRT) animation
  5. 10/6/2016 EX CR OPPORTUNITY
    LINK - Instructions for Dalton's Playhouse - MAXIMUM OF 16 PTS EX CR.
    Due Friday 10/14
  6. 10/6/2016 Ions MOGIL - today's handout - all problems front and back - Exception!!!! You may answer directly on the handout, you don't need to copy the sheet!
    USE THE BACK OF YOUR HANDOUT TO FIND OUT THE CHARGES FOR THE METALS IN QUESTION 1 (THE TABLE)
  7. 10/10/2016 p. 97 (6-10) (5 pts) STANDARD DIRECTIONS
  8. 10/10/2016 LINK - RUTHERFORD and JJ THOMPSON model animations from PhET
  9. 10/11/2016 Isotopes MOGIL - pages 1 & 2 only.
  10. 10/12/2016 Isotope MOGIL - Pages 3-4 (5 points) - (link on-line yesterday & today)
  11. 10/24/2016 Practice Quiz Ch 4,3,2 coming Wed 10/26     1-30
  12. 10/25/2016 Practice Quiz Ch 4,3,2 coming TOMORROW 31-58 - Standard Directions
Section 4.3 How Atoms Differ
  1. 10/6/2016 EX CR OPPORTUNITY
    LINK - Instructions for Dalton's Playhouse - MAXIMUM OF 16 PTS EX CR.
    Due Friday 10/14
  2. 10/6/2016 Ions MOGIL - today's handout - all problems front and back - Exception!!!! You may answer directly on the handout, you don't need to copy the sheet!
    USE THE BACK OF YOUR HANDOUT TO FIND OUT THE CHARGES FOR THE METALS IN QUESTION 1 (THE TABLE)
  3. 10/7/2016 Ion MOGIL (handout) p. 3 & 4 - all problems front & back. (5 pts)
  4. 10/7/2016 LINK - Today's handout is pages 3 & 4 of this document
  5. 10/13/2016  p. 104 15­-22 (5 pts)  Std Directions 
  6. 10/24/2016 Practice Quiz Ch 4,3,2 coming Wed 10/26     1-30
  7. 10/25/2016 Practice Quiz Ch 4,3,2 coming TOMORROW 31-58 - Standard Directions
Section 4.4 Unstable Nuclei and Radioactive Decay
  1. 10/6/2016 Ions MOGIL - today's handout - all problems front and back - Exception!!!! You may answer directly on the handout, you don't need to copy the sheet!
    USE THE BACK OF YOUR HANDOUT TO FIND OUT THE CHARGES FOR THE METALS IN QUESTION 1 (THE TABLE)
  2. 10/14/2016 p. 107 23, 24, 25, 26, 27 a,b,c,d (8 problems)
  3. 10/17/2016 Practice Probs Radioactive Decay (handout) 19-24 - all letters
  4. 10/17/2016 LINK for tonight's HW page (handout in class)
  5. 10/24/2016 Practice Quiz Ch 4,3,2 coming Wed 10/26     1-30
  6. 10/25/2016 Practice Quiz Ch 4,3,2 coming TOMORROW 31-58 - Standard Directions
  In Class Assignments
  Lecture Notes
  Standards
  Tests and Quizes
  Tutorials
  Web Helps
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