1. Monday October 28th, 2013 Schedule: Entry Task/Warm-Up
Notes: How to construct a Bohr Structure
Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Word Splash and Find that Element Worksheet
Objective:
I can identify and construct Bohr and Lewis Structures
Homework:
1. Bohr Structure Practice due Tuesday 10/29/2013 for 20 points

3. C Bohr Diagrams Review Draw a nucleus with the element symbol inside.
Carbon is in the 2nd period, so it has two energy levels, or shells.
Draw the shells around the nucleus. C

4. C Bohr Diagrams Review Add the electrons. Carbon has 6 electrons.
The first shell can only hold 2 electrons. C

5. Bohr Structure
Since you have 2 electrons already drawn, you need to add 4 more.
These go in the 2nd shell.
Add one at a time -starting on the right side and going counter clock-wise. C

6. O Bohr Diagrams Try the following elements on your own: H He
O - 8 electrons Al Ne K O

7. Al Bohr Diagrams Try the following elements on your own: H He O
Al - 13 electrons Ne K Al

8. O Bohr Diagrams Try the following elements on your own: H He
O - 8 electrons Al Ne K O

9. C Bohr Diagrams Review Complete Atomic Basic Worksheet
Check your work.
You should have 6 total electrons for Carbon.
Only two electrons can fit in the 1st shell.
The 2nd shell can hold up to 8 electrons.
The 3rd shell can hold 18, but the elements in the first few periods only use 8 electrons. C
Complete Atomic Basic Worksheet

10. Al Bohr Diagrams Try the following elements on your own: H He O
Al - 13 electrons Ne K Al

11. Tuesday, October 29th, 2013 Schedule: Entry Task/Warm-Up
Notes: Lewis Structures
Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Bohr Structure Practice
Objective:
I can differentiate between chemical and physical properties
Homework:
Lewis Structure Practice Wed/Thurs 10/30-10/31 for 27 Points

12. Lewis Structures Review
Find out which group (column) your element is in.
This will tell you the number of valence electrons your element has.
You will only draw the valence electrons.

13. Lewis Structures Review
Write the element symbol.
Carbon is in the 4th group, so it has 4 valence electrons.
Starting at the right, draw 4 electrons, or dots, counter-clockwise around the element symbol. C

14. Lewis Structures Review
Check your work.
Using your periodic table, check that Carbon is in the 4th group.
You should have 4 total electrons, or dots, drawn in for Carbon. C
Complete Lewis Structure Notes Worksheet
and
Atomic Basic Worksheet
SHOW FOR A STAMP WHEN DONE!

15. Lewis Structures Homework Assignment
On a sheet of paper draw Lewis Structures for the following elements: Hydrogen, Barium, Silicon, Neon, Oxygen, Sulfur, Iodine, Magnesium, Aluminum, Potassium, Bromine, Arsenic, Fluorine, Sodium, Calcium, Strontium, Rubidium, Cesium, Xenon, Indium, Tin, Selenium, Tellurium. Draw Bohr Structures for the following elements: Boron, Sulfur, Hydrogen and Magnesium

16. Wed/Thurs 10/30-10/31/2013 Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Lewis Structure Practice
Schedule:
Notes: Physical and Chemical Changes
Objective:
I can differentiate between chemical and physical properties
Homework:
Physical vs. Chemical Properties Worksheet due Friday 11/1/2013 for 15 Points

17. Atomic Basics Worksheet!!
You will have 30 minutes in class to complete this assignment.
It will be TURNED IN FOR A GRADE, not on your stamp sheet.
When you are finished, bring it up to Ms. Andrews’ desk and find something quietly to do for the remainder of the time
This assignment is worth 25 points before the end of the hour, if it is not finished, TURN IT IN TORMORROW FOR LATE CREDIT!!

18. Page 29
Physical Property
Characteristic of a pure substance that can be observed WITHOUT changing it into another substance.

19. Physical Properties of Matter
It does NOT CHANGE into something else
Examples
color
shape
taste
state/phase
density
D = m V

20. Physical Change a change in shape, size, color, or state
a change without a change in chemical composition
a change that is reversible
The Mixtures Lab
Examples
tearing paper
cutting your hair
change in state

21. Page 29
Chemical Property
A characteristic of a pure substance that describes its ability to change into a DIFFERENT substance.

22. Chemical Properties of Matter
changes into a new substance
Examples
flammability
reactivity with vinegar
reactivity with oxygen
Iron + Oxygen  Iron oxide (rust)
2Fe + 3O2  Fe2O3

23. combining sulfuric acid and sugar
Chemical Change
a change in which a substance becomes another substance having different properties
a change that is not reversible using ordinary physical means
Changes that usually cause heat, sound, light, odor, fizzing/foaming, color changes
Examples
combining sulfuric acid and sugar
burning a piece of wood
soured milk
Salt: b31d/Reaction-of-Sodium-and-Chlorine

24. Chemical or Physical Property?
Paper is white
Boiling point of H2O is 100oC
Zinc reacts with hydrochloric acid and creates hydrogen gas
Nitrogen does not burn
Sulfur smells like rotten eggs
Physical Property
Physical Property
Chemical Property
Chemical Property
Physical Property

25. I.S. Learning Goal:
I can describe predict properties of elements and compounds using trends of the periodic table (e.g., metals, non-metals, bonding – ionic/covalent).

26. Comparing Physical and Chemical Properties
Substance/Matter
Physical Property
Chemical Property
Helium
Less dense than air
Nonflammable
Wood
Grainy texture
Flammable
Baking soda
White powder
Reacts with vinegar to produce bubbles
Powdered sugar
Does not react with vinegar
Rubbing alcohol
Clear liquid
Red food coloring
Red color
Reacts with bleach and loses color
Iron
Malleable
Reacts with oxygen

27. Chemical or Physical Change?
Bending a Paper Clip
Baking a cake
The sublimation of carbon dioxide
Crushing an aluminum can
Vinegar and baking soda combining to create salt and water
Physical Change
Chemical Change
Physical Change
Physical Change
Chemical Change

28. Friday 11/8/2013 Entry Task/Warm-Up Schedule:
Notes: 4 States of Matter
Grade Checks
Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Physical and Chemical Changes Worksheet
Objective:
I can differentiate between the four states of matter
Homework:
Review notes for Quiz on Tuesday 11/5/2013!!!
Matter Crossword Puzzle due Monday 11/4/ Points
States of Matter Note Page
for 10 Points due 11/4/2013

29. 4 Physical States of Matter
Solid
Liquid
Gas
Plasma

30. Solid Particles are tightly compact
Particles vibrate without the ability to move freely
Definite shape and volume
Solid Animation

31. Liquid
Particles are tightly compact, but able to move around close to each other
No definite shape, but definite volume
Liquid Animation

32. Gas Particles can easily spread out or move close together
Particle move freely and with a lot of energy
No definite shape or volume
Gas Simulation

33. Plasma
Why do you think this is the most common form/state of matter in the universe?
Exist at extremely high temperatures (several million degrees Celsius)
Particles are broken apart
Particles move freely and with extremely high energy
This form is not too common on Earth, however it is the most common form of matter in the universe
No definite shape or volume (?)
Examples: Florescent and neon lights, lightning, aurora borealis - + + + - -

34. States of Matter Diagram

35. States of Matter Continuum
What about this continuum could
be considered a little misleading?
Taken from:

36. Mass vs. Weight Mass Weight
a measure of how much matter an object is made of
does not change, regardless of where something or someone is
Weight
the force of gravity on an object
equal to the mass of the body times the local acceleration of gravity
Why do you think the person’s weight is less on the moon?
Mass = 59 kg
Mass = 59 kg
Weight = 579 N
Weight = 96 N

37. Density
a measure of the amount of matter present in a given volume of a substance
typically expressed in the following units:
grams per cubic centimeter (g/cm3) for solids
grams per milliliter (g/ml) for liquids
can change as temperature and pressure change
Which do you think
is more dense? Why?

38. The Density Triangle
V = m D
D = m V
m = D V . m . D V

39. Calculating Density
Density can be calculated by dividing the mass of an object by its volume
Sample Problem
Timothy found a solid metal block
that has a mass of 100 grams and
a volume of 25 cm3. What would be
the density of the block?
D = m V
D = =
100 grams
4 grams
cm3
25 cm3

40. Practice Problems D = D = 27 g 3.86 grams cm3 7 cm3 20 grams
Find the density of a substance with a mass of 27 g and a volume of 7 cm3.
2. A block of maple has a mass of 20 grams and a volume of 26.5 cm3. What is the density of the block?
D = m V
27 g
3.86 grams
cm3
D = =
7 cm3
D = m V
20 grams
0.75 grams
cm3
D = =
26.5 cm3

41. Monday 11/4/2013 Entry Task/Warm-Up Schedule:
Review Day!!
Activity: Mind Map and Lewis Structure
Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Nothing due Today!!
Objective:
I can differentiate between the different states of matter
Homework:
Review notes for Quiz TOMORROW Tuesday 11/5/2013!!!
Lewis Structure due Tuesday 11/5/2013 for 20 Points
Chemistry Web due TODAY 11/5/2013 TURNED IN FOR 35 POINTS

42. Tuesday 11/5/2013 Entry Task/Warm-Up Schedule:
Please take your notebook and your homework
Due Today:
Lewis Structure Review
Chemistry Web turned in for a late grade of 29/35!
Schedule:
Quiz Today!!
Objective:
I can differentiate between the different states of matter
Homework:
No homework today!
Chemistry Exam Friday 11/15/2013

43. Wed/Thursday 11/6-11/7/2013 Entry Task/Warm-Up Schedule:
Notes: Solutions and Mixtures
Lab: Tasty Solutions
Entry Task/Warm-Up
Please take your notebook and your homework
Due Today:
Nothing is due today!!
Objective:
I can differentiate between the different mixtures and solutions
Homework:
Finish Tasty Solutions Lab Write Up due Today 11/7/2013!!!

44. Solvent Solvent - Solute - Solution
Part of the solution that is present in largest amount and dissolves a solute
What liquid is called the “universal solvent”? WATER

45. Part of solution present in lesser amount and dissolved by solvent
Solute
Part of solution present in lesser amount and dissolved by solvent

46. Solution
A well mixed mixture containing a solvent and at least one solute that has the same properties throughout.
Tasty solution activity

47. Page 30
Mixture
Made of two or more substances- elements, compounds or both- that are together in the same place but are not chemically combined.

48. Heterogeneous Mixture
Page 30
Heterogeneous Mixture
You can see the different parts

49. Page 30
Homogeneous Mixture
So evenly mixed that you can’t see the different parts

50. Heat- transfer of energy

51. Exothermic- heat energy EXITS the system - ex. Combustion, burning
                         

52. 2Na(s) + Cl2(g)  2NaCl(s) + energy
Salt
An example of an exothermic reaction is the mixture of sodium metal and chlorine gas which yields table salt.
2Na(s) + Cl2(g)  2NaCl(s) + energy

53. Endothermic- heat energy ENTERS the system
Page 31
Endothermic- heat energy ENTERS the system
- surroundings usually feel cooler
ex. Cold packs, melting ice

54. Tasty Solutions Lab Procedure:
Step 1: Place one piece of candy in your mouth and allow it to dissolve
without using your tongue or teeth to help! Record the time it takes
for the candy to dissolve in the chart.
Step 2: Place another piece of candy in your mouth and allow it to dissolve
using only your tongue to move it around. Record the time it takes for
the candy to dissolve in the chart.
Step 3: Place another piece of candy in your mouth and allow it to dissolve
using your tongue and teeth. Record the time it
takes for the candy to dissolve in the chart.

55. Tasty Solutions Lab Lab Write-Up
You are to answer every question in complete sentences on a separate sheet of paper
Record time in seconds
When constructing your graph, be sure to include: key, color, labels, x and y axis and titles
Question #2: Explain your reasoning for your answers 2-3 sentences
Question #4: Answer question, and explain why in 4-5 sentences
Question #5: Answer in 4-5 sentences
Add question #6: Did your dissolving time increase or decrease? Explain why this may have happened. Answer in 5-7 sentences

56. Friday 11/8/2013 Entry Task/Warm-Up Schedule:
Periodic Packet due Tuesday 11/12/2013 for 30 Points
Grade Check Today!
Entry Task/Warm-Up
Please take your notebook and your homework
IMPORTANT DATES!!
Stamp Sheet due Wednesday/Thursday 11/13-11/14
Notebook Check Next week!
Chemistry Exam Friday!!
Objective:
I can differentiate between the different states of matter
Homework:
Stamp Sheet due Wed/Thurs!
Chemistry Exam Friday 11/15/2013
NO SCHOOL MONDAY!

57. Tuesday 11/12/2013 IMPORTANT DATES!! Schedule:
Stamp Sheet due Friday 11/18/2013!!
Notebook Check Next week!
Review Guide due Friday!!
Chemistry Exam Friday!!
Schedule:
Finish Periodic Table packet!!
Due Today for 30 Points!!
Objective:
I can differentiate between the different states of matter
Homework:
Study your notes and vocabulary!
Chemistry Exam Friday 11/15/2013

58. Wednesday/Thursday 11/20-11/21
Schedule:
Chemistry Unit Review Guide
IMPORTANT DATES!!
Stamp Sheet due Friday!!
Notebook Check TODAY!
Review Guide due Friday!!
Chemistry Exam Friday!!
Objective:
I can differentiate between the different states of matter
Homework:
Chemistry Review Guide due Friday 11/15/2013 for 50 Points
Chemistry Exam Friday 11/15/2013

59. Friday 11/15/2013 Schedule: Objective: Homework: Due Today:
If you have not turned in your STAMP SHEET, please do so by the end of the period!
Study Guides due Today!!
Schedule:
Chemistry Exam Today!!
Objective:
I can differentiate between the different states of matter
Homework:
No homework today!