1. December 12th Homework: SWBAT: Explain the difference between
Quick Write:
Take the worksheet at the front of the desk.
Work on class work sheet
Homework:
complete the class work sheet on the Periodic Table
Read pages
write Cornell Notes for pgs if not complete
SWBAT:
Explain the difference between
a row and a group in the Periodic table.
define the word valence electrons.
Describe each group.

2. Closure List the family names.
Describe 5 characteristics you learned about the alkali elements.
What do you find in the box of each element?

3. December 13th Homework: SWBAT: Explain the difference between
Quick Write:
Take out your Cornell Notes and the Chart from yesterday.
Define valence electron.
How is the periodic table organized?
Homework:
review your notes
Both Periodic Table Worksheets must be complete by tomorrow (front and back)
SWBAT:
Explain the difference between
a row and a group in the Periodic table.
define the word valence electrons.
Describe each group.

4. Each electron in an atom has its own distinct amount of energy.
When electrons are in their lowest energy state, it is called the ground state
The ground state for Na is

5. The Periodic Table

6. elements: Periodic Table are arranged in increasing atomic number.
Placement or location of elements on the Periodic Table indicates the physical and chemical properties of that element.
Number of protons in an atom (atomic number) identifies the element
Atomic mass: found on the Periodic Table of the Elements

7. Classifying Elements Nonmetals on the right Metals on the left
Metalloids or semimetals (B, Si, Ge, As, Sb, Te),
Noble gases
Nonmetals on the right
Metals on the left
Metalloids semimetals

8. Group numbers and Family names
What are the groups?
The vertical columns
Each column is numbered a Group
Similar properties but not identical
Ex: Group 1: Alkali Metals: Li, Na, K
Soft, white shiny metals
All have same number of valence electrons
Valence electrons?
The last shell of the atom and the number of electrons

9. Valence Electron

10. Periods Each row is a period Elements are not alike in the properties
As you move from left to right the element goes from an extremely active solid to an inactive gas
Why? How can you remember this?

11. Your quizzes will be returned this week!! : )
December 14th
Your quizzes will be returned this week!! : )
Quick Write:
Place your two Periodic Worksheets on your desk to be checked for completion.
Exchange your questions with your partner. Write down their questions.
Class Review
What is an ion?
Homework:
study your periodic Worksheets
quiz Friday, December 16th on
characteristics of Chemical Families
Test Wednesday, December 21st
SWBAT:
Identify unique characteristics of the
Chemical Families.
Differentiate between the traits of each
Chemical Family.

12. Your quizzes will be returned this Friday!! : )
December 15th
Molecular Forces Lab is a week late. Late labs will lose points / week!
Your quizzes will be returned this Friday!! : )
Quick Write:
Define ions and valence electrons.
Homework:
study your periodic Worksheets
quiz Monday, December 19th on
characteristics of Chemical Families
Test Thursday, December 22nd
SWBAT:
Identify unique characteristics of the
Chemical Families.
Differentiate between the traits of each
Chemical Family.

14. Alkali Metals Usage: Sodium: found in table salt
Description:
Most reactive metals
always found as compounds in nature
1 valence electron, tend to lose 1 electron to form positive ions
Family 1
Usage:
Sodium: found in table salt
Rubidium: found in space vehicle engines

15. Alkaline Earth Metals Description: Usage:
Reactive metals
always found as compounds in nature
2 valence electrons, lose 2 electron to form positive ions
Family 2
Usage:
Strontium (Sr): found in fireworks
Radium (Ra): treatment of cancer
Barium (Ba): used in glass making

16. Transition Elements Description: Usage:
hard solids with high melting point
Valence electrons of 1 or 2 and can lose electrons from the next energy level
Families 3-12
Usage:
Silver (Ag) , Gold (Au): Jewelry
Nickel (Ni): coins
Zinc (Zn); paint

17. Boron Family Description: Usage:
have 3 valence electrons
Boron is a metalloid
Other elements below Boron are metals
Family 13
Usage:
Boron is used to make heat resistant glassware
Aluminum is most abundant metal.

18. Carbon Family Description: 4 valence electrons
Contains non-metal, metal and metalloids
Family 14
Usage:
Carbon is known as “the basis of life”
Carbon is found in sugars, starches, fats and proteins

19. Nitrogen Family Description: 5 valence electrons
Atoms share electrons with other atoms
Family 15
Usages:
Nitrogen: 78% of the air around us
Arsenic in insecticides

20. Oxygen Description: Usages:
6 valence electrons
Share electrons when bonding
Family 16
Usages:
Oxygen: most abundant element in the Earth’s Crust
Oxygen: makes up the ozone layer

21. Halogens Description: 7 valence electrons Most reactive nonmetals
React with Alkali metals easily
Family 17
Usages:
Chlorine makes table salt
Fluoride is in toothpaste

22. Noble Gases Description: Have 8 valence electrons
Do not form bonds with other atoms
Called inert gases
Family 18
Usages:
Radon: cancer treatments
Neon: produces red light in neon signs
Helium fills balloons to float in air, why do they float?

23. Your quizzes will be returned this Friday!! : )
December 15th
Molecular Forces Lab is a week late. Late labs will lose points / week!
Your quizzes will be returned this Friday!! : )
Quick Write:
Quiz your partner. Write down their questions and then answer them.
SWBAT:
Identify unique characteristics of the
Chemical Families.
Differentiate between the traits of each
Chemical Family.
Homework:
study your periodic Worksheets
quiz tomorrow on
characteristics of Chemical Families
Test Wednesday, December 21st

24. Alkali Metals Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

25. Alkaline Earth Metals Usage: ____________________________________
Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

26. Transition Elements Usage: ____________________________________
Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

27. Boron Family Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

28. Carbon Family Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

29. Nitrogen Family Usage: ____________________________________
Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

30. Oxygen Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

31. Halogens Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

32. Noble Gases Usage: ____________________________________ Description:
______________________________________________
_______________________________________________
Usage:
____________________________________

33. always found as compounds in nature
Group
Family Name
Description 1
Alkali Metals
Very reactive metals
always found as compounds in nature
1 valence electron, lose 1 electron to form +1 ions 2
Alkaline Earth Metals
Reactive metals
2 valence electrons, lose 2 electron to form +2 ions
3-12
Transition elements
an element in a transition
hard solids with high melting point
half filled orbitals
less reactive than Group 1 & 2 17
Halogens
Reactive nonmetals
7 valence electrons
gain 1 electron to form –1 ions 18
Noble Gases
Not reactive, do not form ions
Filled, stable valence shell (8 electrons except He which has 2)

35. Group
Family Name
Description 13 14 15 16
Rare Earth Metals

36. What is an ion?

37. Description of the Periodic Table
Metalloids/Semimetals:
on the zigzag
separates metals from nonmetals
Examples: B, Si, Ge, As, Sb, Te, At
Nonmetals:
gases, liquids or crystalline solids
Examples: C, N, O, F, P, Br,
gain electrons to become – ion
poor conductors of heat and electricity
Other metals:
metals good conductors of heat and electricity
luster and shine, malleable (can change shape)
Examples:Zn, Hg, Sn, Bi, Po

38. Comparing the physical properties of metals and nonmetals
Silvery gray color except copper and gold
Solid at room temperature except mercury
Good conductors of heat and electricity
Malleable – can be hammered into shapes (thin sheets)
Ductile – can be pulled into wires
Many different colors
Sulfur – yellow
Chlorine – green
Bromine – orange
Iodine - purple
Many different states (phases)
H, N, O – gas
Br – liquid
S, C, I – solid
Poor conductors of heat and electricity (except carbon)
Brittle – breaks when hit

39. Find the name of each symbol
Group 1 Alkali metals:
Li, Na, K, Rb, Cs, Fr
Group 2 Alkaline earth metals:
Be, Mg, Ca, Sr, Ba, Ra
Other metals: Z
n, Hg, Sn, Bi, Po
Semimetals:
B, Si, Ge, As, Sb, Te, At
Nonmetals:
C, N, O, F, P, Br
Group 18 Noble gases:
He, Ne, Ar, Kr, Xe, Rn

40. wednesday, November 16th Quick Write! Homework: SWBAT: Quiz!
describe the following and provide examples:
Chemical formula
Chemical equation
describe the parts of an atom and draw an image
label the subatomic particles
compare and contrast between compounds and elements
Homework:
read workbook pgs 15-23
complete all pages due
Friday!
find 10 chemical elements
that can be found in your house
by Friday
Test Tuesday 11/22

41. An atom Basic unit of matter, “unable to be cut” An Element
Pure substance entirely of one atom

42. What are the Subatomic Particles?
Proton
Neutron
Electron

43. The Atom Cloud of negative Electrons charge (2 electrons) Nucleus (a)
(b)
Cloud of negative
charge (2 electrons)
Electrons

44. Who is Neils Bohr? He proposed a theory:
an atom is composed of a dense nucleus with electrons in its surrounding orbit
electrons must have a certain amount of energy to orbit the nucleus.
Electrons have a more fixed manner around the nucleus.

45. Modern Atom Model Electrons: Electron cloud model Protons
Have a positive charge
have a mass of 1.67 x g
Atomic number:
number of protons
Electrons:
Have a negative charge
If the atom has no charge there are the same number of electrons to protons
Mass number:
sum of the protons and neutrons together

46. THursday, November 17th Quick Write! Homework: SWBAT:
Take out your sheet from yesterday.
SWBAT:
describe the following and provide examples:
Chemical formula
Chemical equation
describe the parts of an atom and draw an image
label the subatomic particles
compare and contrast between compounds and elements
Calculate the number of neutrons, protons and electrons
Homework:
read textbook pgs
see website for details
read workbook pgs 15-23
complete all pages due
Friday!
find 10 chemical elements
that can be found in your house
by Friday
Test Tuesday 11/22

47. Friday, November 18th Quick Write! Homework: SWBAT:
Take out your sheet from yesterday.
Answer the Quick Write Questions
SWBAT:
describe the following and provide examples:
Chemical formula
Chemical equation
describe the parts of an atom and draw an image
label the subatomic particles
compare and contrast between compounds and molecules
Calculate the number of atoms found in each chemical formula
Homework:
Test Tuesday 11/22
Read pgs practice note taking as you did last night

48. Quick Write 1. List the subatomic particles. Proton Neutron Electron
2. Where are each of the particles found and what is their charge?
Proton : + charge , found in nucleus
Neutron: no charge, found in nucleus
Electron: - charge, found outside of the nucleus

49. 3. Identify one difference between a molecule and a compound.
Molecules are made of atoms, and compounds are made up of molecules,
Label the molecule and the compound:
______________C2H4O2
______________H2O

50. 4. What does a chemical formula tell you?
A chemical formula tells you the elements and number of atoms that are needed to make the molecule or compound.
5. What does a chemical equation tell you?
A chemical equation tells you the types of molecules and or compounds that are needed to complete a chemical reaction to form products.

51. 6. What is a subscript?
They are found to the lower right of each element’s symbol.
Provides you the number of atoms of the element in the compound or molecule.
7. What does the coefficient tell you?
Tells you the number of molecules and atoms found in each chemical equation

52. Now let’s have some practice!

53. Monday, November 21st Quick Write! Homework: SWBAT:
Place your homework on your desk.
Complete last week’s worksheet
SWBAT:
identify the Atomic Mass and Atomic Number.
compare a solution to a compound.
compare a heterogeneous mixture to a homogeneous mixture.
Homework:
Study for Test see website for details.

54. Atomic Structure 15 7N Mass Number = protons + neutrons
How can you identify it? It is the larger number.
It is the mass of the nucleus.
Why? Because it contains the protons + neutrons.
Atomic number = number of protons
Smaller number
When an atom has no charge, the protons and electrons are equal in number!
Used to identify the element

55. The Atom Atomic Number Symbol Name Mass Number protons electrons
Atomic number equals the number of ____________ or ________________.
Mass Number equals the number of ______________ + _______________.
protons
neutrons

56. II. Periodic Table

58. closure Answer the following:
1. What is the difference between a heterogeneous and homogeneous mixture?
The heterogeneous mixture will separate upon standing, you can still see the individual particles and it is not uniform throughout.
A homogeneous mixture is uniform throughout, will not separate upon standing and you cannot see individual particles.
2. What is the difference between a compound and a solution?
A compound must be separated by chemical means and a solution can be separated by physical means.

59. Solving for the number of neutrons
Number of neutrons = mass # - atomic #
Question:
If the mass number is 15, there is no charge on the atom and the atomic number is 7. How many electrons and neutrons do you have?

60. Assignment: Finish the rest of the worksheet and turn it in to your teacher.

61. Wednesday, November 23rd Quick Write! Homework: SWBAT: Atom video
identify the Atomic Mass and Atomic Number.
Review of the atom and elements
Homework:
Enjoy Turkey Day!!!

63. Name__________________________ Date ______________
Atom Activity

64. What is an atom? Describe the subparts of the atom:
Draw and label an atom

65. Compare and Contrast between a compound and molecule

66. Explain and provide 3 examples for each
Chemical formulas
Chemical equations

67. 1. 2. 3. 4. 5. 6. 7. Element Atomic # Atomic Mass Mass Number Protons
Neutrons
Electrons 1. 2. 3. 4. 5. 6. 7.

69. All elements are solid at room temperature except for the following:
Liquids
Mercury (Hg) - the only liquid metal at room temperature
Bromine (Br) - the only liquid nonmetal at room temperature
Gases
Hydrogen (H)
Oxygen (O)
Nitrogen (N)
Fluorine (F)
Chlorine (Cl)
All of group 18 (noble gases)
Helium (He), Neon (Ne) Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn)