CHEM 120 (CHEM122)
University Of Tennessee - Knoxville
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Chapter Four Note Guide
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These notes come straight from the lecture! They contain all of the key concepts of the chapter!
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Chapter Three Note Guide
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These notes come straight from the lecture! They contain all of the key concepts of the chapter!
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Chapter 2 Note Guide
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These notes come straight from the lecture! They contain all of the key concepts of the chapter!
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Chapter One Note Guide
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These are notes taken straight from the lecture. These are all of the main concepts of the chapter!
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Chapter R Notes
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This is a note guide for the R chapter of Chem 122. This is taken straight from the lecture notes and put into note form!
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chem 120quiz week 1 | questions and answers | 100% correct answers with instructor explanations
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1. Question : 
(TCO 1) You have been growing the same variety of corn for over 5 
years. In the past two years, you have noticed that the yield has 
decreased by 10% each year. You grow corn on 10 acres of land 
and your yield should be 1,000 bushels per acre. Growing 
conditions have been consistent for the past 5 years. You want to 
identify another variety of corn that will produce 1,000 bushels per 
acre. You currently grow Variety ZQB. You want to test two new 
varieties, CAQ and TWX. You h...
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CHEM 120 FINAL EXAM REVIEW | CHEM 120 FINAL EXAM practice problems
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2. Which of the following elements 
a) is a main group element: Mn, Ag, Co, F, La ______________ 
b) exists as a diatomic molecule: He, N, Al, P, Hg ______________ 
c) is a transition element: B, S, Cr, Ne, Sr _____________ 
d) is a noble gas: H, Be, F, Ar, Au ___________ 
e) is a metalloid: O, C, Ti, Ge, Cl ___________ 
f) most likely to gain an electron when forming an ion Na, Mg, Al, Br, He ______________ 
3. Indicate the charges of the following ions: 
a) an ion formed from Ba: ______ 
b)...
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CHEM 120 STUDY GUIDE | newest version | updated 2022/2023 | 24 questions and answers
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2. A) Only two isotopes of rubidium occur naturally, 85 Rb (atomic mass= 84.9118 amu; 
abundance 72.15%) and 87 Ru (atomic mass= 86.9092 amu; abundance 27.85%) Calculate 
the atomic weight (average atomic mass) of rubidium. 
b) Predict whether each of the following compounds is molecular or ionic: 
SCL2 CuBr C2H6 Ag2SO4 
3. Name the compound or give the formula as appropriate: 
a) P4S6 
b) iodine pentafluoride 
c) sodium phosphate 
d) Fe2(CO3)3 
4. From the following list of elements Ar, H, ...
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CHEM 120 TEST 3 STUDY GUIDE ANSWER KEY: Ch 7 & 8 (100% Correct Solutions)
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CHEM 120 TEST 3 STUDY GUIDE ANSWER KEY: Ch 7 & 8 
1.Draw the best Lewis Dot Structure for each of the following species. 
a) BeF2 
b) BCl3 
c) CCl4 
d) PBr5 
e) SI6 
3. Draw the best Lewis Dot Structures for each of the following species. 
 a) BH2 
– 
b) NI3 
c) ClF4 
+ 
d) SF5 
A) B) C) 
D) E) 
4. Predict whether each molecule would be polar or non polar, assuming all the 
bonds are polar: 
A) Polar 
B) Nonpolar 
C) Nonpolar 
D) Polar 
E) Polar
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CHEM 120 TEST 3 STUDY GUIDE: Ch 7 & 8 | fully covered | multiple choice questions
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CHEM 120 TEST 3 STUDY GUIDE: Ch 7 & 8 
1.Draw the best Lewis Dot Structure for each of the following species. 
a) BeF2 
b) BCl3 
c) CCl4 
d) PBr5 
e) SI6 
3. Draw the best Lewis Dot Structures for each of the following species. 
 a) BH2 
– 
b) NI3 
c) ClF4 
+ 
d) SF5 
A) B) C) 
D) E) 
4. Predict whether each molecule would be polar or non polar, assuming all the 
bonds are polar: 
A) 
B) 
C) 
D) 
E)
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