Bond angles - Study guides, Class notes & Summaries
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Cell Biology (PCB 3023) Test 1 - Varma Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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Why would covalent bonds break in water? Why can they? - Because more stable or energetically 
favored bonds could be formed. They can break because the loss of energy by breaking hydrogen bonds 
in compensated for in the formation of new covalent bonds. 
Limitation to eukaryotic cells and photosynthesis - The sea slugs that live in symbiotic 
relationships with cyanobacteria or algae. The algae is not broken down or digested and absorbed into 
the slug's body. There is then a horizontal gene t...
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MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+)
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MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+) 
MN Dental Assistant License Exam || Over 200 Questions & All Accurate Answers (Graded A+) 
 
A perio pack protects and most closely resembles gingival tissue is - ANSWER - Visible light cured 
 
What could be used to remove biofilm from the perio pack during homecare? - ANSWER - A soft bristle tooth brush 
 
What instrument can be used to remove a perio pack? - ANSWER - Explorer 
 
What teeth would contrai...
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Solution Manual for Organic Chemistry Mechanistic Patterns Canadian 1st Edition by Ogilvie Ackroyd Br
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Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...
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Solution Manual for Organic Chemistry Mechanistic Patterns Canadian 1st Edition by Ogilvie Ackroyd Br
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Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...
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Chem 104 1st exam|Complete Questions with 100% Correct Answers
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Chem 104 1st exam|Complete Questions with 100% Correct Answers 
What are hybrid orbitals? 
orbitals of equal energy produced by the combination of two or more orbitals on the same atom 
What are the types of hybrid orbitals 
SP- 2 regions of density 
SP^2- 3 regions of density(3sp^2s) 
SP^3- 4 regions (4 sp^3s) 
What are the 4 types of hydrocarbons 
alkanes, alkenes, alkynes, and aromatic hydrocarbons 
Alkane 
a hydrocarbon containing only single covalent bonds 
Alkene 
a hydrocarbon that contai...
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ACS General Chemistry 1 studysheet Exam 124 Questions with Verified Answers,100% CORRECT
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ACS General Chemistry 1 studysheet Exam 124 Questions with Verified Answers 
 
56=Mass # (A) 
26= Atomic # (Z) 
Fe= symbol - CORRECT ANSWER 56= 
26= 
Fe= 
 
Mass Number - CORRECT ANSWER Proton+ Neutrons 
 
Atomic Number - CORRECT ANSWER # of protons/electrons (equal in elemental form) 
 
- superscript - CORRECT ANSWER Add e- 
 
+ superscript - CORRECT ANSWER subtract e- 
 
Isotope - CORRECT ANSWER Diff number of neutrons 
 
Isomer - CORRECT ANSWER two or more compounds with the same # of elemen...
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CHEM 237 - Organic Chemistry Lab Final Exam TAMU 100% Solved
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Separation by liquid-liquid extraction is based on 
a) compound's dielectric constant in 2 dif solvents 
b) # of theoretical plates in the separation 
c) use of phase transfer catalysts 
d) difference in boiling points of 2 liquids 
e) distribution of a compound between 2 immiscible phases - e) Distribution of a compound 
between two immiscible phases. 
Preparative gas chromatography is often chosen over distillation as a means of separation because gas 
chromatography 
a) is relatively inexpen...
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Test Bank For Organic Chemistry 10th Edition by Francis Carey A+
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Test Bank For Organic Chemistry 10th Edition by Francis Carey 
What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic:...
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AQA A Level Psychology Attachment Exam Questions and Answers
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AQA A Level Psychology Attachment 
Exam Questions and Answers 
What is an attachment? - Answer-An emotional link between the child and there primary 
caregiver, which ties them together. 
Four ways an attachment can be tested? - Answer-1. Seeking Proximity 
2. Distress on seperation 
3. Joy on reunion 
4. General Behaviour 
What is a bond? - Answer-A bond is a set of feelings that ties one person to another 
Benefits of an attachment - Answer-Survival 
Food 
Love 
Security 
Two caregiver-infant ...
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ACS Chemistry Final Exam 182 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final Exam 182 Questions with Verified Answers 
 
Layout of an element (mass # & atomic #) - CORRECT ANSWER 
 
atomic number = - CORRECT ANSWER # of protons 
 
mass number = - CORRECT ANSWER # of protons + neutrons 
 
the number of protons in a neutral atom will equal the - CORRECT ANSWER # of electrons 
 
how to find the correct number of neutrons - CORRECT ANSWER mass number - atomic number 
 
Forms of the same elements that differ in amount of neutrons - CORRECT ANSWER isotopes...
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