Electronegativity Study guides, Class notes & Summaries
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PORTAGE LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
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Chem 104 Exam Questions With Answers
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Chem 104 Exam Questions With Answers 
 
From a thermochemical standpoint, the formation of a chemical bond is _____________. - ANS Exothermic 
 
The lattice energy of an ionic compound can be calculated using the __________ _____________ ___________ - ANS Born-Haber cycle 
 
Atoms of different electronegativity form ________ __________ bonds - ANS Polar covalent 
 
______________ is defined as "the ability to attract electrons to itself in a chemical bond" - ANS Electronegativity 
 
Di...
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Portage Learning Chem 210 Module 2 Exam
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Portage Learning Chem 210 Module 2 Exam 
Question 1 
3 / 3 pts 
 
The pH of a solution of 0.0010 M NaOH is: 
 
 
1 
Correct! 11 
[Kw=[H+][OH-] = 1.0 x 10-14; [H+][0.0010] = 1.0 x 10-14 [H+]=1.0 x 10-11; 
 
pH=-log[1.0 x 10-11;]=11] 
 
 
8 
 
0 
 
14 
 
Question 2 
3 / 3 pts 
Water is a unique molecule. Which of the following contributes to water’s unique place in the chemical world? 
 
The geometry of the molecule The polarity of the O-H bonds 
The ability of water molecules to hydrogen bond 
...
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LIFE 210 EXAM 1 Questions With Complete Solutions
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The purposes and goals of LIFE 210 include... correct answer: Preparing you to do well in junior/senior level biochemistry, physiology and cell biology courses and provide clear connections between your chemistry and life science courses. 
 
The core focus of cell biology and cellular biochemistry in the 21st century is... correct answer: To understand how the cellular components self-organize and function in the spatial and temporal context of the living cell. 
 
The first unit in LIFE 210 wi...
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Chemistry 1305 TTU Mason Exam 3 Questions and Answers(A+ Solution guide)
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what elements tend to form ionic bonds? - Answer-nonmetals with metals 
- Answer-metals and non labeled 
what elements tend to form covalent bonds? - Answer-nonmetals with nonmetals 
how many electrons are shared in a double bond? - Answer-4 
how many valence electrons does Nitrogen have and how any bonds can it form? - Answer-5 VA, 3 
bonds 
a ________ can be a nonbonding pair of electrons or an atom around the central atom - Answersubstituent 
the number of substituents is used to determine __...
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BSC1005 Exam 1 (Chapters 1-7) - Study Guide || A+ Verified Solutions.
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Water molecules are polar because 
 
a.Hydrogen and oxygen atoms form ions when they bond 
b.They are key to ice formation 
c.Hydrogen and oxygen have very similar electronegativity 
d.Hydrogen and oxygen have very different electronegativity correct answers Water molecules are polar because hydrogen and oxygen have very different electronegativities. 
 
Individual water molecules are held together by weak interactions called 
a. double bonds 
b. ionic bonds 
c. covalent bonds 
d. hydrogen bonds...
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CHEM133 Week 9 Lesson 4 Quiz
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1.	Question: Which one of the following is most likely to be an ionic compound? 
2.	Question: The phosphorus atom in PCl3 would be expected to have a 
3.	Question: The phosphorus atom in PCl3 would be expected to have a give CH3Cl and hydrogen chloride. 
4.	Question: How many of the following molecules have no dipole moment? 
5.	Question: Atoms having equal or nearly equal electronegativities are expected to form 
6.	Question: Element A has an electronegativity of 0.8 and element B has an electr...
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Gen Biology 1 & Lab final exam-EMCC
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Life is thought to have evolved from complex molecules formed by the interaction of smaller molecules in oceans and the atmosphere. The substance which brought these molecules together to interact is - Answer- Water 
 
Consider the following electronegativity values: 
Boron (B) = 1.8 
Carbon (C) = 2.5 
Chlorine (Cl) = 3.2 
Selenium (Se) = 2.6 
Which of the following bonds is the most polar? - Answer- B-Cl 
 
When atoms gain or lose electrons, they become negatively or positively charged. These n...
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Portage Learning Chemistry CHEM 103 Unit 4/ Portage Learning Chemistry CHEM 103 Unit 5 100% VERIFIED SOLUTIONS
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Cell Biology 112 Exam 1 PCC 100% Correct
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Cell Biology 112 Exam 1 PCC 100% 
 
Correct 
 
Induction Specific to general 
 
Deduction General to specific 
 
Archae/Bacteria Prokaryote. One-cell. No nucleus. 
 
Eukarya Eukaryotes. Multi-cell. Has a nucleus. 
 
Protons Found in nucleus. Positive charged. 
 
Nuetrons Found in nucleus. Neutral charge. 
 
Electrons Found in outer shells. Negative charge. 
 
Atomic Number Number of protons. Never varies. 
 
Atomic Mass Number of protons and neutrons in the nucleus. 
 
To determine number of nue...
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