12/12/2011 Standards: 2 (Chemical Bonds) Objectives: Banking Day Std 2 (Chem Bonds)a. Be able to name ionic and covalently bonded moleculesb. Be able to draw Lewis Structures for molecules (rev. of LABS) c. Be able to draw resonant structures.DO NOW: 1. Draw Lewis Structure for: CH4 CH2O N2H2 2. Name these molecules: Cu(NO3)2 Ag2Cr2O7

HOMEWORK: 1. Ch 9 Assess p. 273 For each of the following, do only letter c 94-100, 104,

108, 109. In 110 show why a, b, c, or d answers the question. (5 pts) Std 2(to be stamped Wed)

2. Ch 9.4 p. 262 49-52. DO NOT FOLLOW DIRECTIONS IN TEXT. Draw Lewis Structure & show total valence electrons & shape as you will do in today's

lab. (5 pts) due tomorrow (was on Fri Whiteboard) (turn in tomorrow) 3. SN Ch 9.4 and 9.5 p. 118-124 (5 pts) Std 2 (to be turned in tomorrow)========================================================STAMPS: Journal 12/9 1. Lab - Lewis Str & Molecular Geo - Ball & Stick (Shapes) (1 pt) Std 2 BASKET: Lab - Molecular Geo, Lewis Str & VSEPR - 20 (pts) Std 2

linearbent

trigonal planartrigonal pyramid

tetrahedral

ANNOUNCEMENTS: 1. Lab tomorrow - Lewis Structures and Molecular Geometry – Uses ball & stick kits (10 pts) 2. Mem. Ions Quiz 3 - moved to Thurs , 16 ions, 15 questions, 15 points 3. Test 2 coming Friday (100 pts, 60 questions, covers Ch 2-6, 8, & 9 4. If you missed Friday's lab last week, you get a zero unless you make it

up here in class. Come before school, break, lunch  

Moleculeformula

1

Start Lewis Strlay out atoms

2

Put in bondingpairs to connectall atoms(redraw here)

3

Calculate total valence electronsand sub bondingelectrons

4

Check step1. all have 8 except H Be B 2 4 62. TOTAL electrons correct5

2. total e1- =8

total e1- = 12

total e1- = 12

Moleculeformula

1

Start Lewis Strlay out atoms

2

Put in bondingpairs to connectall atoms(redraw here)

3

Calculate total valence electronsand sub bondingelectrons

4

Check step1. all have 8 except H Be B 2 4 62. TOTAL electrons correct5

12/13/2011 Standards: Many Objectives:a. Complete Molecular Shapes LAB (ball & stick) - due end of periodDO NOW: 1. Read entire lab silently to yourself.HOMEWORK:1. See HW page for help with Memorize Ions 3 (print of a different organization)=================================================STAMPS: NONEBASKET: Ch 9.4 p. 262 49-52. DO NOT FOLLOW DIRECTIONS IN TEXT.

Draw Lewis Structure & show total valence electrons & shape as you will do in Friday's lab. (5 pts) BLACK SINGLE-LEVEL STACKER TRAY: SN Ch 9.4 and 9.5 p. 118-124 (5 pts) Std 2

ANNOUNCEMENTS: 1. Test 2 moved to Mon (100 pts, 60 questions, covers Ch 2-6, 8, & 9 2. Mem. Ions Quiz 3 moved to Fri, 16 ions, 15 points, 15 questions 3. REMEMBER - Ch 9 Assess p. 273 For each of the following, do only

letter c 94-100, 104, 108, 109. In 110 show why a, b, c, or d answers the question best. (5 pts) Std 2 (to be stamped Wed)

12/14/2011 Standards: Many Objectives:a. be able to use electronegativity differences to identify bond types b. be able to recognize polar bonds by their shape and/or symmetryDO NOW: 1. Get scantrons and copy down your score and convert to points (60 possible

for Quiz 2.3) Your score on scantron x 1.73 = points in gradebook 2. Start HW problems while I am stamping - questions for problems you can't doHOMEWORK: 1. Ch 9.5 PP's, p. 266 60-63, Ch 9.5 Assess, p. 267 64-67, 69 (5 pts) Std 2 2. "Ionic vs Covalent Bonding“ applet on-line. See website for link (2 pts) Std 2========================================================STAMPS: Journal 12/13 (lab)1. Ch 9 Assess p. 273 For each of the following, do only letter c 94-100, 104, 108, 109. In 110 show why a, b, c, or d answers the question (5 pts)

ANNOUNCEMENTS: 1. Test 2 moved to Monday next week. 2. Pre-quiz with responder for Test 2 on Friday (5 pts) 3. Memorize Ions - Quiz 3 Friday. See Quiz/Test Reviews for details

Relative Polarity of BONDS

Demonstrate applet to run at home http://depts.washington.edu/woodmand/IEs/iCovIon.html

Covalent bonding occurs in nonmetal compounds.

Use the highlighter to select the compounds that are covalently bonded.

HClH2O

CO2

CH4 NH3

NaCl

MgO

NaF

LiO

Drag this to

the target to reveal

the answers.

Drag this to

the target to reveal

the answers.

Use the highlighter to select the compounds that are covalently bonded.

12/15/2011 Standards: 2 (Chemical Bonds) Objectives:a. Students will be able to ask questions about HW questions, and get answers.b. Be able to recognize and draw resonant Lewis structures. DO NOW: 1. HW to basket within 2 min of tardy bell. If 2 papers, staple together, be sure

name is on both papers. 2. Give the definition of resonance in regards to Lewis StructuresHOMEWORK: 1. Help Sheet for Test 1, 1/2 sheet of paper, 2 sides - Covers everything this

semester to date - Ch 2,3,4,5,6,8, and 9 (10 pts) 2. Get on your Memorizing of the 13 polyatomic ions and HCl, H2SO4, & H3PO4

=======================================================STAMPS: Journal 12/14/11 1.Ch 9.5 PP's, p. 266 60-63, Ch 9.5 Assess, p. 267 64-67, 69 (5 pts) Std 2 2. Run this applet at home. When you have completed the screen and the

additional question, draw the screen and write down questions and its answer. (3 pts) Std 2

ANNOUNCEMENTSMemorize Ions 3 tomorrow (15 points).Practice Test 2 - RESPONDERS (5 pts) - You will be able to use your

Help Sheet.

RESONANCE

Polarity

polar

non-polar

Reasons

lone pairs on central

NO lone pairs on central

different atoms

same atoms

symmetricalnot symmetrical

extra examples below

http://www.colorado.edu/physics/2000/applets/h2ob.htmlDipole for H2O Applet

An

swe

rA

nsw

er

O

HO

NO

HC

12/16/2011 Standards: 2 (Chemical Bonds) and ManyObjectives:a. Review for Test 1 - Responder Pre-Quiz (5 pts) Std Manyb. Memorize Ions 3 – check for understanding Std 1DO NOW: 1. Clear desks and floors of everything except the answer sheet for Memorize

Ions Quiz 3. 2. You may use your Help Sheet. You will also need a clean sheet of paper to

take notes on the questions.HOMEWORK: 1. PRINT Mr. Wigger's Review for Test 2, ans questions on printout, and

WRITE THE REASONS FOR YOUR ANSWERS. 2. There is a SmartBoard notebook file link for you on today's HW page that lets

you see the questions we went through today in class on responders.STAMPS:

HELP SHEET - 10 pts

RESPONDERS

Test 2 coming Monday - 100 points

Covers 2,3,4,5,6,8, and 9

ChemThink assignment will be due Wed. next week. See Monday's HW page for

details.

See notice on Home page of my website regarding what is available on-line in a notebook file to help you with this test.

12/19/2011 Standards: 3 Objectives:a. Check for understanding – Test 2 (Ch 2-9)b. Be able to define word equations, skeleton equations, and chemical equationDO NOW: 1. Define word equations, skeleton equations, and chemical equation2. Balance these equations:

a. Fe2O3 + Al à Al2O3 + Fe b. Fe + Cl2 à FeCl3

HOMEWORK:1. Handout – Balancing Skeleton Equations (5 pts) Std 3

====================================================================

STAMPS:Journal 12/15

1. Define and give examples of the three kinds of equations as described in textbook in Ch 10.1 - word equation, skeleton equation, and chemical equation. (3 pts) Std 3

Announcements: NONE

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