chemistry 1/13/14 mrs. turgeon “if you tell the truth, you don’t have to remember anything.” -...
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Chemistry 1/13/14 Mrs. Turgeon
“If you tell the truth, you don’t have to remember anything.”
- Mark Twain
DO NOW:
1. In your notes: How many neutrons are there in an element with atomic number = 12 and mass number = 24 ? What is the name of this element?
AGENDA:
1. Students will be able to remember and assess their knowledge of semester 1 chemistry by completing a review game
HOMEWORK:
STUDY for your final exam!
1/23/15 CHEMISTRY MRS.TURGEON
“Happiness is not something ready made. It comes from your own actions.” –Dalai Lama
OBJECTIVES SWBAT:1. Demonstrate knowledge of semester 1
during review
DO NOW:2. Define the term: mass
3. Define the term: volume
1/23/15 CHEMISTRY MRS.TURGEON
DO NOW ANSWER:1. The amount of matter in a substance
2. The amount of space a substance takes up
Recycle Ball• One team picks a category and a point value.
• 15 seconds to discuss with team.
• I will randomly draw a name from the team to answer the question – no more discussions with group!
• If the team gets the correct answer, they get to shoot for more points.
100 points
200 points
Bonding Ions & Isotopes
Periodic Trends
Atomic structure
Electron Configuration
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Jeopardy Trash Ball
Bonding : 100
How many valence electrons does nitrogen
have?
Back
Answer: 5
Back
When an ionic bond forms, what happens to
valence electrons?Answer: They are transferred
(from the metal to the non metal)
Bonding : 200
Back
Ionic bonds typically form between a metal and a
___________ .
Answer: non-metal
Bonding : 300
Back
If magnesium and oxygen atoms come into contact, what
is the chemical formula?
Answer: MgO
Bonding : 400
Back
What is the chemical formula when barium and
chlorine form a bond?
Answer: BaCl2
Bonding : 500
Back
The mass number is determined by the number
of____and ____ in an atom?
ANSWER: Protons & Neutrons
Ions & Isotopes : 100
Back
Why is the average atomic mass
not a whole number ?Answer: It is a WEIGHTED average
of all the isotopes of that element
Ions & Isotopes : 200
Back
What is the charge of the ion formed by the halogen
group?
Answer: 1-
Ions & Isotopes : 300
Back
If an element has 35 protons and 36 electrons, will it be a
negative ion or a positive ion?
Answer: negative ion (Br-)
Ions & Isotopes : 400
Back
If you know the mass number and atomic number of an atom,
how can you determine the number of neutrons in that atom?
Answer: Subtract atomic number fromMass number
Ions & Isotopes : 500
Back
As you move down the periodic table, does atomic radii increase or decrease?
Answer: Increase
Periodic trends : 100
Back
As you move down the periodic table does
electronegativity increase or decrease?
Answer: decrease
Periodic Trends: 200
Back
Why does atomic radii increase as you move
down the periodic table?Answer: Increased electron
shielding
Periodic Trends : 300
Back
Why do elements in the same group have similar
chemical properties?Answer: They have the same number
of valence electrons (outermost electrons)
Periodic Trends : 400
Back
How can I use the periodic table to quickly determine how many
electrons are in an atom’s outermost energy level?
Answer: For main group elements, You can look at the group number
Periodic trends : 500
Back
Where do we find electrons in an atom?
Answer: In orbitals around the nucleus
Atomic Structure : 100
Back
What do we call the electrons in the outermost
energy level ?Answer: Valence Electrons
Atomic Structure : 200
Back
What is an atom mostly made up of?
Answer: empty space
Atomic Structure : 300
Back
What is special about the atomic structure of the
noble gases?Answer: They all have a full octet
in their outermost energy level
Atomic Structure : 400
What keeps an atom together?
Answer:
Coloumbic Attraction
Back
Atomic Structure : 500
Back
Why do electrons spread out around the nucleus? Use the word “charge” in your answer
Answer: All electrons have a negative Charge, so they repel each other
Electron Configuration : 100
Back
If two electrons occupy the same orbital, how MUST they behave according to the Pauli
Exclusion Principal?
Answer: have opposite spins
Electron Configuration : 200
Back
What is the last orbital notation for carbon?
Answer: 2p²
Electron Configuration : 300
Answer: RED
Back
Which color light has the lowest energy?
Electron Configuration : 400
Back
When an electron jumps to a higher energy level, is it
absorbing energy or releasing energy?
Answer: absorbing energy
Electron Configuration : 500