A: 8 November 2011
Take out your element facebook page
 Objective: You will be able to:
 Review electron configuration, ionization
and the valence shell
 Describe trends in atomic radius and
electronegativity on the periodic table.
 Do now: Track your exit ticket (2.10-2.13)
With your partner, correct the answers on
your exit ticket.

Agenda
Do now
II. Review for quiz
III. Unit 3 Objectives!
IV. Trends in atomic radius and
electronegativity
Homework: Element Facebook Page:
tomorrow
Unit 2 Quiz Objectives 2.7-2.13 tomorrow
I.
Quiz Review – in your notebook
1.
2.
3.
4.
5.
6.
7.
8.
Draw the orbital notation for oxygen.
Electrons are represented by ______.
Each individual box represents ______.
Write the electron configuration notation
for oxygen.
Circle the valence shell
What does the “1” stand for? “s”? “2”?
How many valence electrons does it have?
Draw its dot diagram.
9.
10.
11.
12.
13.
What do the dots represent?
How many protons does oxygen have?
Draw a picture of oxygen that shows the
energy levels. Now, turn it into an ion of
oxygen.
Write the electron configuration for the
oxygen ion.
Write the symbol with the charge for the
oxygen ion.
Atoms vs. Ions

Venn Diagram
What do Group 1 elements have in
common?

http://www.youtube.com/watch?v=GVoJ
ZkmAAfA
If you finish early…
Work on your Element Facebook page
 Start on the packet I just left on your desk
 Study for a quiz you need to retake
 Do other work silently

A: 9 November 2011
Take Out Homework: Element facebook
page
 Objective: You will be able to:
 show what you know about electron
configuration and ions
 describe and sketch trends in
electronegativity and atomic radius
 Do now: What is one thing that atoms and
ions have in common? One difference?

Agenda
Do now
II. Objectives 2.7-2.13 Quiz
III. Trends on the periodic table
IV. Graphing and analyzing trends: Example
V. Finish graphing and analyzing trends
Homework:
Graphing and Analyzing Trends:
tomorrow
I.
Quiz

When you finish, silently:
 Turn it over on your desk.
 Track your 2.1 to 2.6 quiz that you just got
back. Keep out your tracking sheet for
stamps!
 Stack up all your Unit 2 papers (Quizzes,
Homework, Labs…) and paperclip them
together. Put the Unit 2 Mastery Tracking
Sheet on Top!
 Start the Trends on the Periodic Table
worksheet or
 Work on other work
Trends on the Periodic Table
Atomic Radius (size of the atom)
Atomic radius increases
Atomic radius increases
Atomic radius
As you move down the periodic table,
more energy levels are added
 This increases the size of the atom
 As you move left to right across a period,
more electrons are added to the SAME
energy level
 There is increasing attraction between
more electrons and the positive nucleus
 Atom size decreases!

Electronegativity
The ability of an atom to attract electrons to
itself.
 Elements that want to lose electrons have
low electroneg.,
 Elements that want to gain electrons have
high electroneg.
 Increases going up a group
 Increases going across a period
 The smaller the atom, the easier it can
attract other electrons
 Most reactive: F
 Least reactive: Fr

Electronegativity Increases
Electronegativity: ability of an atom to
attract electrons
Electronegativity Increases
Trends on the Periodic Table
With your partner and your periodic table,
complete the front, ranking each row in
order of increasing atomic radius.
 Then, complete one table on the back
using the special periodic table
 Then, we’ll do one graph and analysis
together.

Homework

Trends in atomic radius worksheet (front
+ 4 graphs, 4 analysis paragraphs):
tomorrow
A: 11 November 2011
Take Out Homework: Trends on the
Periodic Table Graphing
 Objective: You will be able to:
 differentiate between ionic and covalent
bonding and predict bond type
 Do now: Write the symbol for the ion
formed by calcium.
Explain how you determined your answer.

Agenda
Do now, collect homework
II. Ionic vs. covalent bonding: examples,
modeling and practice problems
III. Exit Ticket
Homework: Week 10/11 Homework
#1-12: due Monday
I.
Modeling Bonding
Ionic Bonding
To gain or lose electrons, atoms need to give or
take them from other atoms
 Ionic bond – one atom gives one or more
electrons to another atom

 The
oppositely charged ions are attracted to one
another (electrostatic attraction)
 this causes them to become bonded together

Ions will transfer electrons (and bond) so that
they both get 8 valence e-
Ionic Compounds

How do you know if a compound is ionic?
1. One cation (left/middle of periodic
table) + One anion (right of periodic
table or a polyatomic anion)
2. Transfer electrons so that both atoms
have a full valence shell.
3. Are bonded by electrostatic
attraction.
Color your periodic table
Ionic Bonding
F
Li
Cartooning Ionic Bonding

On your Week 10/11 Homework packet…
Sodium metal reacts with chlorine gas
to form solid sodium chloride
Na+ + Cl-  NaCl
Na
Covalent/Molecular Compounds
Two or more elements from the right side
 Two or more nonmetals
 Share electrons to make full valence
shells

Dot Diagrams of Covalent Bonds
Cl2
 F2
 H2

Modeling Covalent Bonding
Homework

Week 10/11 Homework #1-12: due
Monday
A: 15 November 2011



Take Out Homework: Week 10/11 #1-11
Objective: You will be able to:
 differentiate between ionic and covalent
bonds and write names for ionic
compounds.
Do now: An atom of calcium meets an atom
of sulfur. Describe what happens and what
type of bond they make. (2 complete
sentences)
Agenda
Do now/homework check
 Review ionic vs. covalent bonding
 Naming ionic compounds: examples and
practice problems
 Hand back and track quizzes, celebrate
progress
Homework: Week 10/11 Homework #1213: Weds.
Quiz Thurs. Obj. 3.1-3.4

Videos!
•
•
http://www.youtube.com/watch?v=QqjcC
vzWwww
http://www.youtube.com/watch?v=yjge1
WdCFPs&feature=PlayList&p=8D43FC9F
A07913EF&playnext=1&playnext_from=P
L&index=23
Ionic or Covalent?
In your notebook, copy each example. Then,
write an “I” for ionic or a “C” for covalent
1.
NaCl
2. NO2
3. N2Br
4. NaI
5. KNO3
6. CaS
7. H2O
8. Cl2
9. Cu(OH)2
10. CCl4

Naming ionic compounds
Write the cation name
 Name of the element
 Write the anion name
 Beginning of element name + -ide

Ex 1: LiCl
 Ex 2: Al2O3

Practice Naming Ionic Compounds
1.
2.
3.
4.
5.
6.
7.
8.
CaF2
BeO
Li2O
KBr
Rb2S
Al2O3
SrCl2
MgO
Homework
Week 10/11 Homework #12-13: Weds.
Quiz Thurs. Obj. 3.1-3.4
Videos!
•
•
http://www.youtube.com/watch?v=QqjcC
vzWwww
http://www.youtube.com/watch?v=yjge1
WdCFPs&feature=PlayList&p=8D43FC9F
A07913EF&playnext=1&playnext_from=P
L&index=23
Ionic or Covalent?
In your notebook, copy each example. Then,
write an “I” for ionic or a “C” for covalent
1.
NaCl
2. NO2
3. N2Br
4. NaI
5. KNO3
6. CaS
7. H2O
8. Cl2
9. Cu(OH)2
10. CCl4

A: 16 November 2011
Take Out Homework: Week 10/11 #12-13
 Objective: You will be able to
 write formulas and names for ionic
compounds
 Do now: Ionic or covalent?
 a. CaCl2
 b. CO2
 c. AlF3

Agenda
Do now/homework check
II. Exit ticket
III. Writing formulas for ionic compounds
IV. Practice problems
V.
Ionic bonding “speed dating”
VI. Formulas for ionic compounds assignment
Homework: Week 10/11 Homework p. 4
Quiz tomorrow (Obj. 3.1-3.4)
I.
Exit Ticket
When you finish, paperclip all your unit 2
materials together and raise your hand.
 I’ll give one person at a time permission to
put them in your green folder

Writing Formulas for Ionic Compounds
Write each ion symbol with the charge
2. “Cross” the charges down to the bottom
of the opposite element
3. Rewrite symbols with subscripts
1. Do not write + or –, or 1
Examples:
Ex 1: aluminum oxide
Ex 2: lithium sulfide
Ex 3: magnesium oxide
1.
Writing formulas from names
1.
2.
3.
4.
5.
6.
7.
8.
potassium chloride
magnesium bromide
rubidium sulfide
beryllium fluoride
sodium oxide
magnesium sulfide
aluminum oxide
aluminum iodide
IONS SPEED DATING





Fill in your 2 ion cards (6 minutes)
Mingle with your classmates to make 10 ionic
compounds. Fill in all four columns of the
chart.
 Cation (+) FIRST!
Each correctly named compound will earn you
10 points. Each compound over 10 will earn
you bonus points!
Check to be sure you write the CATION first!
If you run out of combinations, trade an ion
with a classmate.
Objective: SWBAT model atomic structure and relate valence shell
electrons to trends on the periodic table.
Before the end of the period
Stay in your seat and…
1. Finish Week 10 HW Page 4 and get it
stamped!
2. Be sure your mastery tracking sheet from
Unit 2 is stamped
3. Organize your Unit 2 materials and paper
clip them.
4. Leave them in your green folder. (One
person up at a time, please)
5. Work quietly on other work
Homework


Week 10/11 Homework p. 4: tomorrow
Quiz on 3.1-3.4: tomorrow
A: 17 November 2011



a.
b.
c.
Take Out Homework: Week 10/11 p. 4
Objective: You will be able to:
 show what you know about ions,
electronegativity, atomic radius, and ionic vs.
covalent bonding.
Do now: Find fluorine on the periodic table.
Write the symbol of the fluoride ion.
Describe the atomic radius and electronegativity
of fluorine (big/small, high/low)
What could fluorine bond with to make an ionic
bond?
Agenda
Do now
II. Quiz
III. Go over homework
Homework: None!
I.
A: 17 November 2011
Take Out Homework: Week 10 page 4
 Objective: You will be able to:
 write names and formulas for ionic
compounds with transition metals.
 Do now: Write the formula for the
compound formed by the Fe3+ ion and the
ion formed by chlorine.

Agenda
Do now/check homework
II. Ionic compounds with transition metals
I. names and formulas
III. Practice problems
Homework: Week 10/11 Homework p. 5:
Fri.
I.
Quiz
3.1: Predicting and writing symbols for
ions
 3.2: Trends for electronegativity and
atomic radius
 3.3: Ionic vs. covalent bonds
 3.4: Predicting from a formula what kind
of bond will form.

Quiz

When you finish the quiz:
 organize your Unit 2 materials and
paperclip them together
 you
may have already done this
 Work
silently on other work
A: 18 November 2011
Objective: You will be able to:
 write names and formulas for ionic
compounds with transition metals and
polyatomic ions.
 Do now:
 Write the names of the following
compounds:
 a. MgCl2
 b. K2O

Do now answers
a. magnesium chloride
 b. potassium oxide

Agenda
Do now
II. Ionic compounds with transition metals
III. Ionic compounds with polyatomic ions
IV. Practice problems
V.
Start Homework pages 5-6
 Homework: Week 10 Homework pages 5
and 6: due Monday
 Quiz Tuesday: Writing ionic compound
formulas and names
I.
Patterns on the Periodic Table

So we know that…
 Group 1 elements make 1+ ions
 Group 2 elements make 2+ ions
 Group 13 elements make 3+ ions
 Group 15 elements make 3- ions
 Group 16 elements make 2- ions
 Group 17 elements make 1- ions
What about…
Groups 3 through 12?!
 What ions do they make?!


If we leave them out, they will be…sad.
Ionic Compounds with Transition
Metals
Transition Metals: Groups 3-12 (and
the metals in groups 13-15)
 Participate in making ionic compounds as
cations (+)
 Can have different charges
 Use the Stock System to show which
charge the ion has, using a Roman
numeral (1-6: I, II, III, IV, V, VI)

For Example
The iron ion can have a charge of 2+ or 3+
2+ is written as iron (II)
 Fe
(“iron two”)
3+ is written as iron (III)
 Fe
(“iron three”)

The tin ion can have a charge of 2+ or 4+
 Sn2+ is written as tin(II)
 Sn4+ is written as tin(IV)


Cr, Mn, Fe, Co, Ni, Cu, Au, Hg, Sn, Pb
Examples: Writing formulas

Ex 1) iron (II) chloride

Ex 2) copper (I) oxide

Ex 3) tin (IV) sulfide
Examples: Writing names

Ex 1) Fe2O3

Ex 2) PbI2

Ex 3) FeO
Practice Problems

1.
2.
3.
4.
5.
6.
7.
8.
Write the names or formulas for the following
ionic compounds using the stock system
CuI2
lead (II) sulfide
CuBr2
iron (II) chloride
SnO
lead (IV) bromide
Sn3P4
chromium (III) chloride
So far, each ion has been made of just one
atom that has lost or gained electron(s)
 Can an ion have more than 1 element?
 yes!

Polyatomic Ions
Ions made of more than one element
 Have an overall charge
−
 Ex: NO3
 This is a nitrogen atom, bonded to three
oxygen atoms
 The whole thing has a charge of 1
Polyatomic Ions List
Naming ionic compounds with
polyatomic ions
Cation name + anion name
 If the anion is a polyatomic ion, use the
name of the polyatomic ion
 Ex 1) KNO3
 Ex 2) Ca3(PO4)2

Writing names of ionic compounds
Given the formula, write the name:
1. NaNO2
2. Ca(NO3)2
3. Rb2SO4
4. AlPO4
5. NH4Cl
6. Al2(CO3)3
7. Mg(OH)2

Writing Formulas for Ionic
Compounds with Polyatomic Ions
1.
2.
3.



Write the symbols/formulas with charges for
the anion and the cation
“Cross” the charge down to the bottom of the
other side
1. Do not write the + or –
Rewrite formula without charges, but with
the subscripts only
Ex 1) sodium sulfate
Ex 2) magnesium nitrate
Ex 3) magnesium carbonate
Writing Formulas

1.
2.
3.
4.
5.
6.
7.
8.
Write formulas for the following ionic
compounds:
sodium nitrite
sodium nitrate
magnesium sulfate
aluminum carbonate
calcium hydroxide
ammonium oxide
ammonium chloride
magnesium nitrate
Hand in Writing Names and
Formulas Practice Problems sheet
 Start working on your homework: Week
10/11 Homework pages 5-6

Homework
Week 10 Homework pages 5 and 6
 Quiz Tuesday: Writing ionic compound
formulas and names

Agenda
Do now
II. Check homework
III. Mixed practice: all kinds of ionic compounds
IV. Exit ticket
V.
Naming and writing formulas for covalent
compounds
Homework: Week 10/11 Homework p. 8: Fri
Quiz on Naming Ionic Compounds: Fri (just
objective 3.5)
I.
A: 22 November 2011
Take Out Homework: Week 10/11 p. 5-6
 Objective: You will be able to
 name and write formulas for ionic
compounds
 Do now: Write the formula for the
compound tin (IV) carbonate.

Agenda
Do now
II. Homework check
III. Naming/writing formulas for ionic
compounds: more practice
IV. Exit Ticket
Homework: Week 10/11 page 7: tomorrow
Fix pages 5-6: tomorrow
Quiz tomorrow: Naming all kinds of ionic
compounds (Objective 3.5)
I.
Mixed Practice: Naming Ionic
Compounds
With your partner, complete this
worksheet.
 Be careful, some have transition metals
that need a Roman numeral.
 Some have polyatomic ions!
 Then, check p. 5-7 of the HW
 If you have not yet put unit 2 in your
green folder, do it now!

Exit Ticket

Objective 3.5
Homework




Week 10/11 Homework page 7:
tomorrow
Fix pages 5-6 of homework: tomorrow
Writing Names and Formulas for Ionic
Compounds Worksheet: tomorrow
Quiz tomorrow (3.5: naming/writing
formulas for all types of ionic
compounds)
A: 23 November 2011



Take Out Homework: Writing Names and
Formulas for Ionic Compounds Worksheet
AND page 7
Objective: You will be able to:
 write names and formulas for covalent
compounds, including the first 10
hydrocarbons
Do now: Write formulas or names:
a.
b.
c.
d.
lithium sulfide
ammonium oxide
Cu3(PO4)2
tin (IV) carbonate
Agenda
Do now
II. Check homework
III. Review!
IV. Quiz on ionic compounds
V.
Naming and writing formulas for covalent
compounds
VI. Practice Problems
VII. Exit ticket
VIII. Hydrocarbons
Homework: Week 10/11 Homework p. 8:
Tues.
I.
Find the mistake!
On each card, there is a name or a formula.
 Then, there is a formula or a name below –
but it is wrong!!
 Write one sentence to describe the mistake,
then write the correct answer.
 You have 90 seconds per card!
 Pass the card back when the timer goes off.

Quiz, then do this, in order:
1.
2.
3.
4.
5.
6.
7.
When you finish, turn your quiz over
I’ll give you back your 3.1-3.4 Quiz
Track Objectives 3.1 and 3.4
Leave out your tracking sheet for stamps!
Correct your wrong answers on the 3.1 to
3.4 Quiz
Make sure your folder is organized and all
your Unit 2 papers are in your green
folder.
Work on something silently
Ionic or Covalent?
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
NaCl
NO2
N2Br
NaI
KNO3
CaS
H2O
Cl2
Cu(OH)2
CCl4
Naming Covalent Compounds
P2O5
 What do the subscripts (little numbers) mean?!
 Subscripts = The number of atoms of
each element!!
 Use prefixes to communicate how many
atoms of each element.

Prefix System
1 – mono*
 2 – di
 3 – tri
 4 – tetra
 5 – penta
 *never use mono if the FIRST element
listed in a compound has one atom.
 The SECOND element gets an “-ide”
ending

Examples
1.
2.
3.
4.
5.
6.
7.
NO2
CO2
PCl5
P2S4
Nitrogen trioxide
Carbon monoxide
Dinitrogen tetrahydride
Write formulas/name these
covalent compounds
1.
2.
3.
4.
5.
6.
7.
8.
Dinitrogen monoxide
Carbon tetrachloride
Oxygen difluoride
Sulfur trioxide
Dichlorine octoxide
Sulfur dibromide
Dioxygen difluoride
Xenon tetrafluoride
9.
10.
11.
12.
13.
14.
15.
16.
NH3
CH4
CF4
H2O
P3O5
SBr2
P2O3
NO
C: 23 November 2011
Take Out Homework: Week 10/11 p. 8
Objective: You will be able to:

write the names and formulas for the first
ten hydrocarbons

draw Lewis structures for covalent
compounds
Do now: Write the name/formula for:
a. P4S5
b. nitrogen trifluoride
Agenda
Do now
2. Check homework
3. “Exit” ticket on covalent compounds
4. Names and formulas of hydrocarbons
5. Lewis structures examples
6. Lewis structures problems
Homework: Week 12/13 Homework
pages 1-3 (up to VSEPR theory): Mon.
1.
Exit Ticket
1.
2.
3.
4.
When you finish, turn it over
Remain silent
Track your objectives for the 3.1 to 3.4
Quiz
Leave out your tracking sheet for stamps!
Hydrocarbons
Hydrocarbons
Hydrocarbon – A combination of hydrogen
atoms and carbon atoms covalently bonded
together.
Alkane – A hydrocarbon where there are only
single bonds between carbons.
Alkanes are said to be saturated with
hydrogen atoms – there is a hydrogen every
place you can put one!
Methane – Dot diagram
Draw a dot diagram to represent carbon and
figure out how many hydrogen atoms can
be bonded to it. Draw them.
Ethane
Draw a dot diagram to represent carbon
bonded to another carbon and figure out
how many hydrogen atoms there should
be.
Propane
Draw a dot diagram to represent 3 carbon
atoms bonded together and figure out how
many hydrogen atoms there should be.
A: 29 November 2011
Take Out Homework: Week 10/11 page 8
 Objective: You will be able to:
 draw Lewis Dot Structures for covalent
compounds
 Do now: Write names/formulas for:
a. P4S5
b. nitrogen trifluoride
c. butane

Agenda
Do now
II. Check homework
III. Track Exit Ticket
IV. Hydrocarbons
V. Lewis Structures examples
Homework: Week 12/13 Homework pages
1-2: Weds.
Quiz on Objectives 3.6-3.8: Thurs.
I.
Alkane Nomenclature
Hydrocarbon Name
1.
Methane
2.
Ethane
3.
Propane
4.
Butane
5.
Pentane
6.
Hexane
7.
Heptane
8. Octane
9.
Nonane
10. Decane
Formula
CH4
C2H6
C3H8
C4H10
C5H12
C6H14
C7H16
C8H18
C9H20
C10H22
General Formula
CnH2n+2
A: 30 November 2011
Take Out Homework: Week 12/13
pages 1-2
 Objective: You will be able to:
 draw Lewis structures for covalent
compounds
 Do now: Draw the Lewis structure for H2.
Circle all the pairs of electrons that are
part of a covalent bond.

Agenda
Do now
II. Check homework
III. Review Lewis Structures
IV. Practice Drawing Lewis Structures!
V. Exit Ticket
VI. Molecule shapes notes
Homework: Week 12/13 Homework pages
2-3: Thurs.
Quiz on objectives 3.4 through 3.9 on Friday
I.
Lewis Dot Structures

Show covalent bonding using dots to
represent valence electrons!
Examples
Draw Lewis structures for the following
covalent compounds:
1. Cl2
2. H2O
3. NH3
4. CH4
5. CO2
Lewis Dot Structures Assignment
With your partner, draw a Lewis dot
structure for each of the covalent
compounds on your white board.
 Every two or three, raise your hand and
have me sign your paper.
 Each correct Lewis Structure = 10%!!

Exit Ticket
Front page only!!
 When you finish, check page 2 of your
homework, and complete page 3
 due tomorrow!

A: Homework
Week 12/13 Homework pages 2-3: Thurs.
 Quiz on objectives 3.4 through 3.9 on
Friday

A: 2 December 2011
Take Out Homework: Week 12/13 pages
4-5 Lewis structures
 Objective: You will be able to:
determine the shape and bond angle of a
molecule using the VSEPR theory.
 Do Now: A molecule has four pairs of
electrons around the central atom, and none
of them are non-bonding pairs. What shape
will this molecule be? What is the angle of
the bond? Draw a sketch.

Agenda
Do now
II. Track Exit Ticket
III. Check homework
IV. VSEPR Theory Practice Problems
V.
Exit Ticket: Molecule shapes
VI. Quiz Review Stations
Homework: Week 12/13 HW pages 4-5, draw
molecule shape, label and give bond angle
Quiz Tuesday on objectives 3.4-3.9
I.
Track Exit Ticket

Keep it in a safe place – you’ll need it at
the end of this period.
Homework Answers

Lewis structure only
So, you are now experts on drawing
pictures of molecules – Lewis Dot
Structures.
 But, molecules aren’t flat.
 What DO they look like?!

Molecule Shapes
How are shapes determined?
VSEPR Theory: Valence Shell Electron
Pair Repulsion Theory
 Valence Shell – electrons in the highest
energy level
 Electron Pair
 Repulsion – pushing away
 Pairs of electrons want to be as far from
each other as possible in a molecule
 This causes different molecules to have
different shapes!

Non-bonding electrons: pairs of
electrons that are not part of a bond.
 Central atom: the atom in the middle

Does the molecule have four
electron pairs around the
central atom?**
yes
no
How many non-bonding pairs
does it have around the
central atom?
1
0
Tetrahedral
109.5o
How many non-bonding pairs
does it have around the
central atom?
2
Trigonal
pyramidal
Nonlinear
107o
104o
**Double bonds count as ONE electron pair!!
0
1
How many atoms are bonded
to the central atom?
2
3
Nonlinear
117o
Linear
Trigonal Planar
180o
120o
Tetrahedral
Four electron pairs
No non-bonding pairs
109.5o
Trigonal pyramidal
Four electron pairs
One non-bonding pair
107o
Non-linear
Four electron pairs
Two non-bonding pairs
104o
Linear
Less than 4 electron pairs
Two atoms bonded to the central
atom
180o
Trigonal Planar
Less than four electron pairs
Three atoms bonded to the central
atom
120o
Non-linear
One non-bonding pair
117o
a.
b.
c.
d.
e.
f.
On your blank paper (each person
turn in their own work):
CCl4 1. must
Draw the Lewis Structure
CS2 2. Determine the shape using your
flow chart, and write it down
NF3 3. Draw the shape and label the
bond angle.
BBr3 4. Make the molecule with your
modeling
kit.
H2S
5. Raise your hand and have me
check your work before you move
SeO2
on!
6. Pack up your molecule kit neatly!
7. Complete pages 4-5 on your Week
12/13 Homework
8. Study the hydrocarbons
Exit Ticket
Molecule shapes
 On the quiz, you’ll get a flow chart
without examples
 It will have the shape names and bond
angles.
 Then, organize your folder!

Review Stations
1.
2.
3.
4.
You’ll have 5 minutes per station.
Complete the questions on your answer
sheet.
Then, check your answers! (No peeking
until you’ve tried your hardest!)
If you finish a station early, work on the
homework
Incentive

For each objective your partner gets
mastery on, you’ll receive a bonus point.
What’s due


Your review stations answer sheet will
be collected in 30 minutes.
If you finish a station early quiz each
other on the prefixes or hydrocarbon names!
Homework:

Week 12/13 HW pages 4-5, draw molecule
shapes
 label molecule shape and bond angle

Quiz Tuesday on objectives 3.4-3.9
Homework
Week 12/13 HW pages 4-5, draw
molecule shapes
 label molecule shape and bond angle
 Quiz Tuesday on objectives 3.4-3.9

A: 6 December 2011
Take Out Homework: Stations Review
Activity (I may already have yours.)
 Objective: You will be able to show what
you know about names and formulas of
compounds, covalent bonding and molecule
shapes.
 Do now: Track your exit ticket for
objectives 3.7, 3.8 and 3.9. Keep your
tracking sheet out!

Agenda
Do now
II. Quiz!
Homework: What objectives do you need
extra help on? What work are you
missing? Make a plan to make up work!
Check no name work on cabinet on your
own time.
I.
Quiz
1.
2.
3.
When you finish, raise your hand.
Organize your handed back work into
your folder.
Extra Credit: Choose one data set and…
 graph it, labeling axes, give it a title
 calculate the slope of the line
 write an analysis paragraph to describe
the trend and describe the significance
of the slope – due Monday
Homework
Graph + Analysis paragraph
 What objectives do you need extra help
on? What work are you missing? Make a
plan to make up work!
 Are any of the papers without names
yours?!
 Extra help today 3:30-4:30 pm.

2 December 2011
Objective: You will be able to:
 describe current scientific research on
the production of methane on Mars.
 Do now: Complete the pre-video
questions on your handout, #1-5

Agenda
Do now
II. Video clips and questions
III. Article and questions
IV. Discussion
Homework: None!
What objectives and work do you need to
do/redo to be successful this quarter?!
Email me if you want a copy of a handout
over the weekend!
I.
Expectations
1.
2.
3.
4.
Carefully preview the questions for each
video clip.
Watch each video silently and complete the
answers to the questions as you watch.
After each video, you’ll have 3 minutes to
work with a partner to complete your
answers.
Make a note of your comments and
questions on your handout for discussion
after the video.
A: 7 December 2011
Objective: You will be able to:
 calculate the molar mass of a compound
and prepare for our field trip!
 Do now:
a. What is the average atomic mass of
oxygen?
b. What is the average atomic mass of
chlorine?
c. Where do those masses come from? How
are they calculated?

Agenda
Do now
II. Molar mass notes and examples
III. Practice Problems
IV. Field trip expectations
V.
Field trip skills and content practice
VI. Graphing
Homework: Week 14 Homework p. 1: Thurs.,
Biogen Pre-Lab: finish graph Thurs.
I.
Counting Atoms
Make a list of elements with the number
of atoms of each to the right:
a.
Co
b.
CO
c.
CO2
d.
C6H12O6
e.
Mg(NO3)2

Practice Problems
a.
b.
c.
d.
e.
f.
H2
H2O
MgCl2
Al(OH)3
Mg3(PO4)2
Ca(NO3)2
The Mole
Atoms are so tiny; how do we quantify their
masses?
 The mole: a unit for amount of substance
 In groups of 6.02 x 1023 atoms or
molecules
 6.02 x 1023 atoms/molecules = 1 mole
 6.02 x 1023 atoms/molecules =
Avogadro’s Number

Molar Mass

Molar mass is the mass in grams of one
mole of a pure substance (units: g/mol)
Find the molar mass of…
Oxygen
 Phosphorus
 Sodium
 Gold
 Copper

What about the molar mass of
compounds?
Add up the masses of all the atoms of each
element
 Examples
a. H2
b. CO2
c. Al(OH)3

Practice Problems
Calculate the molar mass of:
a. H2
b. H2O
c. MgCl2
d. Al(OH)3
e. Mg3(PO4)2
f.
Ca(NO3)2

Homework

Week 14 Homework p. 1
A: 21 December 2011
Objective: You will be able to:
 calculate the percent composition of an
element in a compound
 Do now: (5 minutes, silently)
 Calculate the molar mass of:
a. carbon tetrachloride
b. sodium carbonate

Agenda
Do now
 Do now answers
 Percent composition examples
 Practice Problems
 Homework work time
Homework: Week 14 Homework page 2

Do Now Answers
Percent Composition

the percent by mass of each element in a
compound
percent composition =
Example 1

Calculate the percent composition of each
element in sodium chloride.
Example 2

Calculate the percent composition of each
element in aluminum hydroxide.
Practice Problems
Calculate the percent composition by mass
of each element in:
a. H2O
b. calcium chloride
c. aluminum nitrate
Extension Problem

How many grams of aluminum are
present in 10.0 grams of aluminum
phosphate?
Homework

Week 14 Homework page 2
A: 21 December 2011
Objective (copy in your notebook!): You
will be able to
 review molar mass and percent composition
 determine percent sugar in bubble gum
 Do now: Calculate the molar mass of
magnesium phosphate.
 Hint: Write the correct formula first!

Agenda
Do now
II. Review molar mass and percent
composition
III. Percent sugar in bubble gum mini-lab
IV. Goals ticket for lab report writing
V. Lab report writing time! (106)
Homework: Lab report Thurs. 12/22
I.
Review
Molar Mass
 Percent Composition

Week 14 Homework Answers
More Practice
1.
2.
Calculate the molar mass of octane.
Calculate the percent composition of
each element in octane.
Exit Ticket

Molar mass and percent composition
Percent Sugar in Bubblegum Lab
1.
2.
3.
4.
5.
Select a chewer.
Follow the directions carefully.
Unless you are using a balance, remain
seated.
As soon as you have completed through
step 4, fill in the spreadsheet.
This work will be collected at the end of
3rd period!
A: 20 December 2011
Objective: You will be able to:
 accomplish a SMART goal for your lab
report!
 Do now:
 Track your exit ticket and quiz
 Leave out your tracking sheet for stamps
 Fill out your goals ticket to identify one
SMART goal for today’s lab report work
time.

Agenda
Do now
 Goals and tracking
 Computer lab work time (305)
Homework: Lab report due Thurs. 12/22

Announcements
Please use the checklist and attach it to
your lab report.
 You must print out your lab report,
staple it, and have it on your desk during
the Do Now on Thursday.

A: 21 December 2011
Objective: (copy in your
notebook!)You will be able to:
 convert from percent composition to
empirical and molecular formulas
 review Unit 3 objectives
 Do now: Calculate the molar mass for
calcium nitrite.
 Then, calculate the percent by mass of the
nitrogen only.

Agenda
Do now
II. Questions about molar mass and percent
composition?
III. Empirical vs. Molecular Formulas
IV. Percent composition to Formulas
V.
Practice Problems
VI. Review Unit 3
Homework: Lab report due tomorrow (printed,
stapled, checklist and ready to go!)
Week 15 Homework
Unit 3 Quiz, 8 Objectives
I.
Empirical vs. Molecular Formulas
empirical formula: the lowest whole
number ratio of atoms of each element
 found by doing an experiment
 Example: CH2
 molecular formula: the actual number
of atoms of each element in a compound
 Example: C2H4, C3H6

What is the empirical formula of…
1.
2.
3.
4.
C6H12O6
N2O4
C6H14
CH4
What is the molecular formula of…
1.
2.
What is the molecular formula of CH2
with a molar mass of 56.12 g/mol?
What is the molecular formula of CH2O
with a molar mass of 60.06 g/mol?
C: 21 December 2011
Objective: You will be able to:
 convert from percent composition to
empirical and molecular formulas
 Do now:
a. What is the empirical formula for C4H12?
b. What is the molecular formula for NO2
with molar mass 92 g/mol?

Agenda
Do now
II. Questions about molar mass and percent
composition?
III. Percent composition to Formulas
IV. Practice Problems
V.
Review Unit 3
Homework: Lab report due tomorrow (printed,
stapled, checklist and ready to go!)
Finish Week 15 Homework: tomorrow
Unit 3 Quiz tomorrow
I.
What if…

You have percent composition, and need
to calculate the empirical formula?
Determining an Empirical Formula
1.
2.
3.
Determine the formula of a compound that is
42.88% carbon and 57.12% oxygen by mass.
Determine the formula of a compound that is
41.39% carbon, 3.48% hydrogen and 55.13%
oxygen by mass. What is the molecular
formula if the molar mass is 87.06 g/mol?
In a 10.0 g sample, 0.78 g is carbon and 9.22
g is chlorine. Determine the empirical
formula.
Practice Problems
1.
2.
3.
What is the empirical formula of a compound
that is 25.9% nitrogen and 74.1% oxygen?
What is the empirical formula of a compound
that is 79.8% carbon and 20.2% hydrogen?
What is its molecular formula if the
compounds molar mass is 60.16 g/mol?
What is the empirical formula of a compound
that is 67.6% Hg, 10.8% S and 21.6% O?
Unit 3 Review!
With your partner, complete these review
problems.
 Start with the ones that are hard for
you/that you need the most help with!
 Stay seated and raise your hand if you
have questions.
 Each section completed = 10%

22 December 2011
Take Out Homework: Lab report
 Objective: You will be able to:
 show what you know about Unit 3
Objectives
 Do now: Questions?

Agenda
Questions?
II. Unit 3 Quiz
Homework: None!
(Though, you may want to study for quiz
retakes for after the vacation!)
I.
Quiz
Turn it over when you are done.
 Neatly organize your unit 3 papers and
paperclip them. Keep this pile at your
desk until everyone is done with the quiz.
 Find something to work on silently!!

Homework
Lab report due tomorrow
 printed, stapled, checklist
 Week 15 Homework front page: tomorrow
 Quiz on Unit 3: tomorrow

A: 14 December 2011
Objective: You will be able to:
 determine criteria for an excellent graph
 create and analyze graphs
 Do now: On your handout on page 1,
list as many criteria of an excellent graph
as you can.

Agenda
Do now
II. Criteria for a Graph
III. Graphing a data set and line of best fit
IV. Slope, and analyzing a graph
V.
Practice problem
Homework: Be sure data set from Biogen lab
is graphed and meets all criteria
Graph analysis paragraph
Plot patients and determine their
concentrations of Abeta: Thurs.
I.
Criteria for an Excellent Graph
1.
2.
3.
4.
5.
Labeled axes with units
Title
Graphed data points, accurately
Consistent scale
Clear, neat
Slope
Criteria for an Excellent Analysis
1.
2.
3.
4.
A description of what data is shown on
the graph.
General trend of the line: “As ____
_____, then _____ _____.”
Range of the data.
Discussion of important points and
outliers.
Analysis Paragraph
Plotting Unknowns
Assignment


Complete Data Set 2 on the back of the graph
paper, including an analysis paragraph and the
interpolation questions (e and f).
 Turn in just the graph: due Thurs.
Work on your Biogen graph
 determine the concentration of Abeta in each
of your four patients using interpolation
 Make a data table to show this information
 Biogen graph due Thurs.
Homework
Data Set 2 on page 3
 Biogen graph, including determining the
concentration of Abeta in each of your
four patients
 Due tomorrow

C: 14 December 2011
Take Out Homework: Data Set 2 Graph
and Paragraph
 Objective: You will be able to use
interpolation and a graph to identify
unknowns.
 Do now: On the green handout, Part I
only
 Silently, on your own.
 Collected in 7 minutes.

Agenda
Do now
 Interpolating from your line of best fit
 Secret code to the biogen data
 Lab report rubric
 Lab report writing time in 305
Homework: Lab conclusion questions due
Thursday
Lab report due Thursday, 12/22

Data Set 2
Interpolation Questions
 If you finish early, determine the
concentration of ABeta for all four of the
patients from the Biogen lab

Directions: By 3:05…
1.
2.
3.
4.
5.
Do questions e and f for data set 2.
Plot your four patients on your Biogen
graph.
Determine which of your patients got the
placebo and which got AntiPlaque.
Make a table to show the patient number,
if the patients got the AntiPlaque, and
their concentration of Abeta
Lab Conclusion Questions: due Thurs.
C: 19 December 2011
Objective: You will be able to
 meet your goal of writing one or more
sections of your lab report.
 Do now: Pick up a laptop and leave it closed
on your desk.
 Then, complete a goals ticket with a specific
goal to complete by the end of the period.
 Then, track Exit Ticket 3.10 and Quiz 3.4-3.9

Agenda
Do now
II. Track Objectives
III. Lab report work time
Homework: Lab report due Thurs. 12/22
Quiz on Unit 3 objectives: Thurs.
I.
Lab Report Rubric
Lab report due Thursday 12/22
 Attach the checklist, please!

This period
Use your time wisely.
 Ask permission to get out of your seat for
anything.
 Work quietly.
 Ask questions! Have me read sections!

Track Objectives
Exit Ticket 3.10
 Quiz 3.4-3.9
 Leave it out on your desk during work
time for stamps!
 Then, start up your computer and get to
work!

Goals Ticket
What will you complete by the end of 8th
period?
 You might not want to start working at the
beginning
 For example, you could start with your
procedure summary.
 Worth a 10 point class work grade.
 Check in with me by the end of the period
about your progress.

To 106!!
Quietly, please!
 Sign in, load up Word, and get started
immediately! 
 Stay seated, work hard
 Use me as a resource. I’d love to help you
improve BEFORE the lap report is due.
