catalyst 1/23/2012
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Catalyst 1/23/2012. Grab you binder and immediately take a seat Get out your personal folder if you have it. Put your C17 on your desk (if you did not turn it in on Friday)! Lesson 16 should also be on your desk. Get out a separate sheet of paper for work today! - PowerPoint PPT PresentationTRANSCRIPT
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Catalyst 1/23/20121.Grab you binder and immediately take a seat
2.Get out your personal folder if you have it.
3.Put your C17 on your desk (if you did not turn it in on Friday)!
4.Lesson 16 should also be on your desk.
5.Get out a separate sheet of paper for work today!
Today’s Objective: Review Unit 2 & 3 for the final Exam.
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Catalyst 1/23/20121.Is NaC2H3O an ionic, covalent, or
metallic compound? In 1-2 sentences justify your answer.
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Catalyst 1/23/20122.Draw the Lewis Structure for CH2Cl2 .
Show your work!
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Catalyst 1/23/20123.Is Mg2+ an anion or a cation? Why?
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Catalyst 1/23/20124.Draw the crystal lattice for the salt
LiF. Label the anions and the cations.
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Catalyst 1/23/20125.What holds atoms together in an ionic
bond?a. shared pairs of electrons between the
atoms
b. exchanged electrons result in two positively charged ions form a bond
c. the sea of electrons acts like a glue to keep the nuclei together
d. electrostatic attraction between anions and cations
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Answers to Catalyst1.
2.
3.
4.
5.
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Announcements Your Final Test is tomorrow!
72 multiple-choice You need to be here! A Unit One Packet to complete
Study tonight! Take home your notes/practice questions Correct your Unit 2 & 3 Tests Make a study card
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JeopardyExpectations:
Only chemistryBoth partners are responsible for the
answerInside voicesYour board must be up before the song
ends!Keep your own score in the top right
cornerTeam
#Score
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Chemistry JeopardyTypes of Bonds Organic
ChemistrySalts Lewis Structures
#1Lewis Structures
#2
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
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What is the octet rule?
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Ionic bonds are formed between_______ and _______; the electrons
are _______.
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Is H2SO4 an ionic, covalent, ormetallic compound?
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Is NaCHCO2 an ionic, covalent, ormetallic compound?
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What does organic mean in chemistry?
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What type of compounds are largebiological molecules like
C6H12O6?
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Draw out the Lewis symbol for carbon.
How many bonds will itform in large biological molecules?
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For the polymer
~CHC(O)OHCH3CHC(O)OHCH3CHC(O)OHCH3~
the repeating subunit is:
a. (O)OHCH3
b. CH(O)OH
c. CH(O)OHCH3
d. CHC(O)OHCH3
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Nucleic acids are long chains made up of a repeating pattern
of nucleotides. In this example, what is the polymer
and what is the monomer?
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What is a general term for anionic compound?
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What is a cation and how are they
formed?
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What holds ions together inionic bonds?
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Draw the crystal lattice for LiBr and label the cations and the
anions.
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Which of the following sets liststhe correct charges for each ion?
a. Na+, K-, O2-
b. Mg2-, N3+, O2+
c. Al5+, K+, F-
d. P3-, Na+, Al3+
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Draw the correct Lewis Symbolfor fluorine (F).
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Name three other elements thatwould have the same Lewis
Symbol as krypton (Kr).
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Draw the correct Lewis structurefor fluorine gas (F2).
Show all steps!
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Draw the correct Lewis Structurefor CCl4.
Show all steps!
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In relation to chemical bonding, what do all of the following moleculeshave in common?
•NH2CH2COOH
•Cl2
•CHCOOH•N2
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Double Points!Draw the correct Lewis structure
for SBr2. How many single bonds are there in this molecule?
Show all steps!
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Double Points!Draw the correct Lewis structure
for chloroform (CHCl3).
Show all steps!
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Which is the correct Lewis Structure for carbon monoxide (CO)?
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Which is the correct Lewis Structure for CH3N2?
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Which is the correct Lewis Structure for ozone (O3)?
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Study CardOne-half of a 3X5 study card
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ClosingUnit #2 Exam tomorrow!
Take home your notes/practice questions
Make a study card (everyone has to do it!)
Correct your mistakes on the study guide
Come in during lunch if you have questions!
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Advisory LaunchTake out your reading book.
Begin reading silently!