Monday, November 5, 2012

Tues., Nov. 6, 2012

Objectives:  Simulate how the atomic mass of elements is found/calculated
Announcements: 
Grades posted

Warm-up: None

Mass of an isotope
Atomic Mass - activity: Beanium 
Homework:  #3, 4, 5 & 6 only

Mon., Nov. 5, 2012

Objectives:  Simulate how the atomic mass of elements is found/calculated
Announcements: 
Grades posted

Warm-up: Diagram chromium (II) phosphate

Mass of an isotope
Atomic Mass - activity: Beanium 
Homework:  #3, 4, 5 & 6 only

Wednesday, October 31, 2012

Fri., Nov. 2, 2012

Objectives:  Simulate how the natural abundance of isotopes combine to give us the mass of each element.
Announcements: 
Leave  notebooks in  

cupboard at end of class today

Warm-up:  Quiz postview
Isotopes of Copper 

Mass of an isotope
Atomic Mass - activity: Beanium 
Homework:  #3, 4, 5 & 6 only

Thurs., Nov. 1, 2012

Objectives:  Assessment
Announcements:  Notebooks Tomorrow

Warm-up:  None
Quiz on Lewis Dot, formulae, chemical names & bond type

Homework:  None

Tuesday, October 30, 2012

Wed., Oct. 31---Halloween!

Objectives:  Practice Quiz
Announcements:  Notebooks Friday (11/2)

Warm-up:  Ethanoic acid (aka acetic acid) has the structural formula CH3COOH .  Draw the Lewis dot diagram and give the molecular formula and the empirical formula.
Acid Names and Common Acids
Practice Quiz

Homework:  None

Monday, October 29, 2012

Tues., Oct. 30, 2012

Objectives: Learn to name covalent structures
Announcements:  Notebooks Friday (11/2)

Lewis Dot, Naming, bond type quiz Thurs.

Warm-up:  State whether each of the bonds is polar or non-polar:
Mixed Naming Practice

Homework:  Advanced Lewis Practice

Friday, October 26, 2012

Mon., Oct. 29, 2012

Objectives: Learn to name covalent structures
Announcements:  Notebooks Friday (11/2)


Warm-up:  Is it ionic or covalent?
ClF7 . SiO2 . GeBr4 . P2S4 . NH4Cl
Can you name these?  CaCl2 | CoCl2 
Check homework:  Classify

Naming molecular (covalent) structures 
Homework:  None

Wednesday, October 24, 2012

Fri., Oct. 26, 2012

Objectives: Determine polarity of bonds
Announcements:  Notebooks Friday (11/2)


Warm-up:  If it is ionic, draw a structural diagram, If covalent draw the Lewis dot diagram:
C3H7OH | Ca(NO3)2
Can you name these?  CaCl2 | CoCl2
Check homework:  Classify
Naming molecular (covalent) structures

Homework:  None

Thurs., Oct. 25, 2012

Objectives: Examine molecular compounds
and practice drawing Lewis Dot Diagrams
Announcements:  Table o' Contents


Warm-up: Partial Charge & "polar"ness

Polar bonds - electronegativity difference
Polar molecules
Homework:  Classify

Tuesday, October 23, 2012

Wed., Oct. 24, 2012

Objectives: Examine molecular compounds
and practice drawing Lewis Dot Diagrams
Announcements: 
Homework check

Warm-up: A few other "rules": exceptions

Problems with the homework?
Finish the homeworks: 
Lewis Dot I
Lewis Dot II
Homework:  None

Thursday, October 18, 2012

Tues., Oct. 23, 2012

Objectives: Examine molecular compounds
and practice drawing Lewis Dot Diagrams
Announcements: 
Homework check

Warm-up: A few other "rules"

Problems with the homework?
Weird stuff Carbon does  
Homework:  Lewis Dot II

Mon., Oct. 22, 2012

Objectives: Examine molecular compounds
and practice drawing Lewis Dot Diagrams
Announcements:  

Warm-up: Greek Prefixes (blue - 7)
Molecular Compounds
Lewis Dot Structures
Homework:  Lewis Dot, Try these

Fri., Oct. 19, 2012

Objectives: Evaluation
Announcements: 
Quiz Day
Warm-up: None
Ionic compounds, structures & Names Quiz
Lewis Dot Structures
Homework:  None

Monday, October 15, 2012

Thurs., Oct. 18, 2012

Objectives: Gain some facility at 
diagramming molecular structures.
Announcements: 
Quiz tomorrow
Warm-up: Sketch the substance formed from combining the calcium ion & the bromate ion.
Please hand in the homework
"Blue Packet"
More complete PAI list 
Molecular Compounds
Lewis Dot Structures
Homework:  Lewis Dot, Try these

Thursday, October 11, 2012

Wed., Oct. 17, 2012

Objectives: Assessment
Announcements:  
Short classes due to PSAT
Warm-up: Name the following acids...
HI, H2SO4, H2SO3
Please hand in the homework
"Blue Packet"
More complete PAI list 
Homework:  None

Tues., Oct. 16, 2012

Objectives: Forming Molecular Compounds
Announcements: 
Collecting homework tomorrow

Warm-up: State whether the formula indicates an ionic substance or a molecular substance...
Fe2O3 | N2 | SCl2 | C2Br2F2I2 | Ti2C4H4O6
"Blue Packet"
More complete PAI list 
Naming practice
Acid Names
Homework:  More Practice (Pretest)

Tuesday, October 9, 2012

Thurs., Oct. 11, 2012

Objectives: Forming Molecular Compounds
Announcements: 
All assignments due by 3:00

Warm-up: What valency does Chromium have in CrS3?  What is the name of that compound?
"Blue Packet"
More complete PAI list 
Naming practice
Acid Names
Homework:  More Practice (Pretest)

Wed., Oct. 10, 2012

Objectives: Practice skill at naming ionic compounds
Announcements: 
Assignments by tomorrow

Warm-up: Sketch an accurate diagram of Al2(SO4)3
"Blue Packet"
More complete PAI list 
Chemistry & Molecules
Naming Practice 
Homework:  Finish Naming Practice

Monday, October 8, 2012

Tues., Oct. 9, 2012

Objectives: Naming Ionic Compounds
Announcements: 
Assignments by Thurs.

Warm-up: Diagram the ionic compound Na2CO3
Use valence electrons to get the CO3 ion correct.
"Blue Packet"
More complete PAI list 
Homework:  More Practice

Mon., Oct. 8, 2012

Objectives: Grouping  and diagramming with polyatomic ions
Announcements: 
6 week grades one week from
today!

Warm-up: Write the formula for ammonium thiosulfate and diagram (sketch) the structure
"Blue Packet"
Homework:  None

Tuesday, October 2, 2012

Thurs., Oct. 4, 2012

Objectives: Grouping  and diamgramming with polyatomic ions
Announcements: 
I'm gone tomorrow.  Substitute is an expert chemistry teacher.

Warm-up: How many total electrons does a nitrogen atom have?  How many valence electrons?  What is the charge of a nitrogen ion?  How many electrons will a nitrogen ion have? 
"Blue Packet"
How (or why) is PO4 a PAI with 3- charge?
Homework:  Select 5 different polyatomic ions and diagram them in color (at least 1 has to be 1-, one that's 2- and at least 1 that's 3-).  Select 5 metals from columns 6-11 on the periodic table.  Choose a charge for each and make 2 compounds with each by combining them with the polyatomic ions you selected and diagrammed.
Due tomorrow (the substitute will collect them)

Wed., Oct. 3, 2012

Objectives: Groupings with polyatomic ions
Announcements: 
None

Warm-up: Give the formula for barium combined with phosphorus and draw a color diagram of the compound.
Criss-cross method
Polyatomic Ions
Diagramming polyatomic ions
Joining PAI with metals
Ammonium
Homework:  Select 5 different polyatomic ions and diagram them in color (at least 1 has to be 1-, one that's 2- and at least 1 that's 3-).  Select 5 metals from columns 6-11 on the periodic table.  Choose a charge for each and make 2 compounds with each by combining them with the polyatomic ions you selected and diagrammed.
Due on Friday

Friday, September 28, 2012

Tues., Oct. 2, 2012

Objectives: Groupings with Polyatomic Ions
Announcements: 
None

Warm-up: What formula shows selenium and
calcium when joined into a compound? 
Criss-cross method
Polyatomic Ions
Diagramming polyatomic ions
Joining PAI with metals
Homework: None

Mon., Oct. 1, 2012

Objectives: Groups of elements
Announcements: 
None

Warm-up: Quick Quiz Study again
Element Quiz reloaded
Finish & Hand-in Element Pairs
Diagramming Compounds
Polyatomic Ions
Homework: None

Thursday, September 27, 2012

Fri., Sept. 28, 2012

Objectives: Groups of elements
Announcements:  
Leave binders in the correct "chemistry" cupboard at EOP
Update TOC
Warm-up: Quick Quiz Study
Polyatomic Ions?
Homework: Memorize the first 20 elements on the periodic table...Number (and position), symbol & name...next quiz Monday.

Wednesday, September 26, 2012

Thurs., Sept. 27,2 2012

Objectives: Groups of elements
Announcements: 
Turn in notebooks tomorrow

Update TOC
Warm-up: State whether the neutral atom gave away or accepted electrons and how many were given or accepted

Binary Ionic Compounds (predicting formulae)
Grouping atoms into molecules (assignment due tomorrow)
Polyatomic Ions
Homework: Memorize the first 20 elements on the periodic table...Number (and position), symbol & name...quiz Tomorrow.

Tuesday, September 25, 2012

Wed., Sept. 26, 2012

Objectives: Groups of elements
Announcements: 
Turn in notebooks tomorrow

Warm-up: IHow many Protons and electrons do each of the following have:
Ions
Binary Ionic Compounds (predicting formulae)
Polyatomic Ions
Homework: Memorize the first 20 elements on the periodic table...Number (and position), symbol & name...quiz Friday.

Friday, September 21, 2012

Tues., Sept. 25, 2012

Objectives: Groups of elements
Announcements: 
Turn in notebooks Friday

Warm-up: If we do an experiment where there is no "right answer" but we have many trials (or "replicates") we often describe our percent variation from the average. It describe how far off each data point is from the average, compared to the average.


What's an atom look like? (Pick a card, any card)
Ions
Binary Ionic Compounds (predicting formulae)
Polyatomic Ions
Homework: Memorize the first 20 elements on the periodic table...Number (and position), symbol & name...quiz Friday.

Mon., Sept. 24, 2012

Objectives: Statistical views of data
Announcements: 
Turn in notebooks Friday

Warm-up: If we do an experiment where there is a "right answer" we often describe our percent error. It describe how far off our data from the right answer, compared to the right answer.


Mean, median & mode
frequency graphs/histograms
accuracy vs. precision
Homework: None

Thursday, September 20, 2012

Fri., Sept. 21, 2012


Objectives: Statistical views of data
Announcements: 
Assembly Schedule today

Warm-up: Table o' Contents
Copy class data
Mean, median & mode
frequency graphs/histograms
accuracy vs. precision
Homework: None



Wednesday, September 19, 2012

Thurs., Sept. 20, 2012


Objectives: Statistical views of data
Announcements: 
Show your homework


Warm-up: Aggregating class data: Enter your data for the volume of HC2H3O2, Length of the Al strip & mass of the Fe(NO3)3
Copy class data
Mean, median & mode
accuracy vs. precision
Homework: 



Tuesday, September 18, 2012

Wed., Sept. 19, 2012


Objectives: Statistical views of data
Announcements: 

Warm-up: The speed of light is 3 x 10^8 km/sec.  Write it as a number (not in scientific notation). Convert it to mi/hr

Aggregating class data: Enter your data for the volume of HC2H3O2, Length of the Al strip & mass of the Fe(NO3)3
Mean, median & mode
accuracy vs. precision
Homework: Finish measurement medley converting Due tomorrow
Need to show plan for full credit


Monday, September 17, 2012

Tues., Sept. 18, 2012


Objectives: Statistical view of data

Announcements:  Calculating
Warm-up: Find the density of a 2 million kg block of concrete whose base is 4 m by 5 m and is 9 m tall.  Compare this to the density of water.

Aggregating class data: type your data for the HC2H3O2, Al & Fe(NO3)3
Homework: Finish measurement medley converting Due tomorrow
Need to show plan for full credit


Friday, September 14, 2012

Mon., Sept. 17, 2012


Objectives: Converting Units
Announcements: Hand in final version of lab
Warm-up: Fill in the table:

Use the terms... homogeneous,element, matter, compound, heterogeneous, mixture & pure substances.  Then find 2 examples of each.

Converting:  Measurement Medley:Conversions factor link
Need to show plan for full credit
Homework: Finish measurement medley converting


Thursday, September 13, 2012

Fri., Sept. 14, 2012


Objectives: Substances & Measurement
Announcements: Final version of labs due Mon.
Warm-up: What do you measure in pecks?

Name 3 more
What do you measure in carats?
Name 3 more
What do you measure in fathoms?
Name 3 more

Finish Measurement Medley:
Record:
  • Substance
  • measurement
  • Units
  • Element, compound or solution? 
  • What units are you supposed to  convert your measurement  into? 
  • You might want to leave space for your work 
Show me your final draft
Rubric for lab write-ups/

data & discussion:
  • Data Table
  • Mathematical Analysis
  • Compare data points
  • Graph
  • Discuss importance & relevance
  • Compare to "accepted knowledge" or known values 
  • Experimental Error (calculation)
  • Error Discussion
  • Implications and further research 
Homework: Finish lab write-up - final version


Wednesday, September 12, 2012

Thurs., Sept. 13, 2012


Objectives: Substances &Meaurement
Announcements: Final version of labs due Mon.
Warm-up: Element, homogemeous mixture, compound, heterogeneous mixture, solution

Definitions...go outstide, find 5 examples of each
uMeasurement Medley:
Record:
  • Substance
  • measurement
  • Units
  • Element, compound or solution? 
Show me your final draft
Rubric for lab write-ups/

data & discussion:
  • Data Table
  • Mathematical Analysis
  • Compare data points
  • Graph
  • Discuss importance & relevance
  • Compare to "accepted knowledge" or known values 
  • Experimental Error (calculation)
  • Error Discussion
  • Implications and further research 
Homework: Finish lab write-up - final version


Tuesday, September 11, 2012

Wed., Sept. 12, 2012


Objectives: Prepare your final report
Announcements: Final version of labs due Mon.
Warm-up: What's in a number?

Show me your final draft
Rubric for lab write-ups/

data & discussion:
  • Data Table
  • Mathematical Analysis
  • Compare data points
  • Graph
  • Discuss importance & relevance
  • Compare to "accepted knowledge" or known values 
  • Experimental Error (calculation)
  • Error Discussion
  • Implications and further research 
Homework: Incorporate suggestions as rough draft becomes final draft
Include sketches
Write your conclusion


Monday, September 10, 2012

Tues., Sept. 11, 2012


Objectives: Practice describing experimental data and discussing it's meaning & importance
Announcements: Final version of labs due Mon.

Warm-up: Check homework
Rubric for lab write-ups/

data & discussion:
  • Data Table
  • Mathematical Analysis
  • Compare data points
  • Graph
  • Discuss importance & relevance
  • Compare to "accepted knowledge" or known values 
  • Experimental Error (calculation)
  • Error Discussion
  • Implications and further research 
Homework: Incorporate suggestions as rough draft becomes final draft
Include sketches
Write your conclusion


Friday, September 7, 2012

Mon., Sept. 10, 2012


Objectives: Look for patterns in our data & use those patterns to make predictions
Announcements:  Got your 3-ring binder yet?
Warm-up: Check homework

Create a graph of your data
What does this tell you?
If you'd used 4.25 mL of solution rather than 5 or 3 or 1 mL, how long would it take to change? 
Rubric for lab write-ups//data & discussion
Homework:  Type "Data & Discussion" section


Fri., Sept. 7, 2012

Objectives: Look for patterns in our data & use those patterns to make predictions
Announcements:  Got your 3-ring binder yet?
Warm-up: Element Puns
Rubric for lab write-ups//discussion
Create a graph of your data
What does this tell you?
If you'd used 4.25 mL of solution rather than 5 or 3 or 1 mL, how long would it take to change?
Homework:  Type Introduction & procedure