12/12/2011 Standards: 2 (Chemical Bonds)
Objectives:
Banking Day Std 2 (Chem Bonds)
a. Be able to name ionic and covalently bonded molecules
b. 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
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
linear
bent
trigonal planar
trigonal pyramid
tetrahedral
today's lab. (5 pts)
ANNOUNCEMENTS:
1. Lab tomorrow - Lewis Structures and Molecular Geometry –
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
Uses
Molecule
formula
1
Start Lewis Str
lay out atoms
Put in bonding
pairs to connect
all atoms
(redraw here)
Calculate total
valence electrons
and sub bonding
electrons
2
3
4
Check step
1. all have 8
except
H Be B
2
4
6
2. TOTAL
electrons correct
5
2.
total e1- =
8
total e1- =
12
total e1- =
12
Molecule
formula
1
Start Lewis Str
lay out atoms
Put in bonding
pairs to connect
all atoms
(redraw here)
Calculate total
valence electrons
and sub bonding
electrons
2
3
4
Check step
1. all have 8
except
H Be B
2
4
6
2. TOTAL
electrons correct
5
12/13/2011 Standards: Many
Objectives:
a. Complete Molecular Shapes LAB (ball & stick) - due end of period
DO 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: NONE
BASKET:
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
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)
Friday's lab. (5 pts
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 symmetry
DO 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 do
HOMEWORK:
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,
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
109. In 110 show
Relative Polarity of BONDS
http://depts.washingto
Demonstrate applet to run at home
Covalent bonding occurs in nonmetal compounds.
Use the highlighter to select the compounds that are covalently
bonded.
H2O
HCl
NaF
CO2
LiO
MgO
CH4
Drag this
to the
target to
reveal the
answers.
NH3
NaCl
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 Structures
HOMEWORK:
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
ANNOUNCEMENTS
Memorize Ions 3 tomorrow (15 points).
Practice Test 2 - RESPONDERS (5 pts) - You will be able to use your
Help Sheet.
RESONANCE
extra examples below
Polarity
Reasons
polar
lone pairs on central
different atoms
non-polar
NO lone pairs on central
same atoms
not symmetrical
symmetrical
Dipole for H2O Applet
http://www.colorado.edu/ph
Answe
r
H
O
O
H
C
O
N
RESPONDERS
12/16/2011 Standards: 2 (Chemical Bonds) and Many
Objectives:
a. Review for Test 1 - Responder Pre-Quiz (5 pts) Std Many
b. Memorize Ions 3 – check for understanding Std 1
DO 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
Test 2 coming Monday - 100 points
Covers 2,3,4,5,6,8, and 9
See notice on Home page of my
website regarding what is available
on-line in a notebook file to help
you with this test.
ChemThink assignment will be due Wed.
next week. See Monday's HW page for
details.
12/19/2011 Standards: 3
THIS IS MONDAY'S WHITEBOARD
Objectives:
a. Check for understanding – Test 2 (Ch 2-9)
b. Be able to define word equations, skeleton equations, and chemical equation
DO NOW:
1.
Define word equations, skeleton equations, and chemical equation
2. 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