Monday, October 25, 2010

In Class:

• Reviewed Bohr homework sheet (answers below)

• Discussed Atomic Structure & Average Atomic Mass

Atomic Mass Presentation

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Homework:

• Complete Average Atomic Mass Worksheet
• Complete Candium Lab (due Monday 11/1)

Friday, October 22, 2010

In class:

• CANDIUM LAB

All students must complete the 4 questions at the bottom of lab (with work).  This assignment will be collected and graded on Monday (11/1).

Wednesday, October 20, 2010

In class:

• Reviewed subatomic particles WS (answers below)

• Discussed Bohr's atomic model

Bohr Model of the Atom

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Please visit this link if you have more questions:  Bohr's Atomic Model Explained

Homework:

• Complete Bohr Questions WS

Early M

Check out this SlideShare Presentation:

Early M

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Tuesday, Oct 19, 2010

In class:

• The History of the Atom (presentation)

http://www.slideshare.net/secret/DMdTmMuCjBjrWk

Learn more about Cathode Ray Tube Experiment

Milikan's Oil Drop Experiment

Rutherford's Gold Foil Experiment

Homework:

• Create a Timeline for the History of the Atom including all important scientists, experiments, and discoveries.
• Complete "Sub-Atomic Particles Worksheet"

IMPORTANT NOTE:  If you did poorly on the recent Unit Conversions Quiz, a RETAKE Quiz will be available in the chemistry room at 2:45 on Wednesday (10/20).  

Monday, October 18, 2010

In class:

• Returned & Reviewed quizzes
• Reviewed Homework (answers below)

Homework:

• Read Section 3.3 with notes.
• Complete Section 3.3 questions.

Friday, October 15, 2010

In Class:

• Reviewed unit conversion questions
• Quiz (make-ups must be completed on Wed)

Homework:

Wednesday, October 13, 2010

In class:

• Reviewed homework worksheet (below)
• Reviewed Density Lab results
• Discussed Standard Deviation & Error Propogation

Homework:

• Rework homework problems as necessary.
• Study for quiz 
• Non-metric unit conversions (conversion factors will be given)
• Density Problems
• Data Analysis including Standard Deviation & Percent Error

Tuesday, October 12, 2010

In class:

• Returned & reviewed Unit 1 Test
• Completed Analysis & Conclusions for Density Lab
• Reviewed unit conversions

Homework:

**If you are a student who has missed the Density Lab please go to this webpage Virtual Density Lab  and complete this worksheet Virtual Density Lab Worksheet**

Monday, October 11, 2010

In class:

• Continued with Density Lab -   All students should have 
• obtained data for mass and volume
• created 2 graphs from data
• calculated slope of the line from graphs

Check out the solutions to Friday's homework:
**Please Consult Appendix C, page 936, for conversion factors.**

Wednesday, October 6

In class:

• Density Lab - collect data (using measurement skills, significant figures, and unit conversions)

Homework:

• Textbook, p 52-53, complete problem #38-48, #50-56 - Due Friday
• Complete "Unit Conversions WS" (must show work for credit) - Due Friday
• Read Textbook section 3.1 & 3.2 with notes and section questions - Due Friday

Monday, October 3 2010

TEST TOMORROW (Tuesday, 10/4)

Topics to be covered on exam:

• Metric Conversions
• Scientific Notation
• Significant Figures
• Physical & Chemical Changes
• Intensive & Extensive Properties
• Types of Matter (element, compound, homogeneous mixture, heterogeneous mixture)
• Chapter 1 & 2 Vocabulary
• Essay
• Precision vs. Accuracy
• Measurement
• Kinetic Molecular Theory
• Law of Conservation of Matter

Homework:

• Read section 3.1 & 3.2 in textbook