Constitutional isomer - Study guides, Class notes & Summaries

CHEM 219 Module 1 problem set Exam Questions With 100% Correct Answers On a piece of scratch paper, write out the Lewis Dot Diagram for each of the indicated elements and determine the following for each: a) The number of Lone Pairs the atom possesses in its valence shell.b) The number of Unpaired Electrons the atom possesses in its valence shell.c) The number of bonds the atom will form. Oxygen Carbon Hydrogen Nitrogen - answerOxygen - a) 2 b) 2 c) 2 Carbon - a) 0 b) 4 c) 4 Hydrogen-...

1) Which of the following best describes the origin of carbon atoms? - Answer-c) byproduct of chemical fusion in stars 3) The greatest degree of ionic character is anticipated for the bond between - Answer-b) H and Cl. 5) Select the most electronegative element from the list below. - Answer-b) O 6) Which of these substances contain both covalent and ionic bonds? - Answer-a) NH4Cl 9) In which of the following does the central atom have 2 pairs of non-bonding electrons? - Answer-e) H2S 11) Wh...

isomers are two compounds with the same molecular formula that are different - ANSWER-what are isomers 1. Structural (constitutional) isomers 2. Stereoisomers (two types) - enantiomers and diasteromers 3. Geometric isomers (also known as cis and trans isomers) - ANSWER-What are the three types of isomers? different bonding arrangement of atoms. atoms are bonded together in a different sequence - ANSWER-what is a structural (constitutional) isomer? stereoisomers: atoms are bonded toget...

1 PORTAGE CHEMISTRY 219 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ The lone pairs in a LDD are equal to: Correct Answer: The 2 dots The unpaired electrons are equal to: Correct Answer: The 1 dot What is the number of bonds an atom can form, equal to? Correct Answer: Their unpaired electrons Find the lone pair, the unpaired electrons and the bonds of Oxygen. Correct Answer: 2, 2, 2 What is organic chemistry? Correct Answer: The study of compounds that contai...

Conformations - correct answer the different arrangements of atoms that result from rotation about a single bond. Stereochemistry - correct answer is the branch of chemistry concerned with the three dimensional aspects of molecules. Conformational Isomer - correct answer a specific conformation. Newman projections: - correct answer view the ...

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: Structure and Bonding Accessibility: Keyboard Naviga...

What are the two major molecules that contribute to metabolism?  Lipids and carbohydrates What molecule does lipids and carbohydrates become in the initial stage of metabolism?  Acetyl CoA How is ATP associated with energetically unfavorable reactions?  Lysis of ATP is usually used to generate the energy necessary to push reactions forward that are unfavorable or endergonic in nature. What is the alternate name for carbohydrates?  Saccharide, a name for their typical sweet t...

Aliphatic - correct answer (Section: 3-2): A nonaromatic hydrocarbon such as a simple alkane, alkene, or alkyne. Alkanes - correct answer (Section: 3-2): A class of compounds of carbon and hydrogen that contains only single bonds. Alkyl Group - correct answer (Section: 3-2): The partial structure that remains when a hydrogen atom is removed from an alkane Anti Conformation - co...

Bronsted-Lowry Acid Must Have a Proton (H) Bronsted-Lowry Base Must have Lone Pairs or Pi Bonds Neutralization Strong Acid donates a proton to the Strong Base to generate Water and the Conjugate Base Electrophile Electron Loving An atom that wants electrons. An atom that is electron rich. Must have a partial positive charge. (Cation) Nucleophile Nucleus Loving If opposites attract, then a _________ is electron rich. Must have a partial negative charge. (An...

Chapter 1-Structure and Bonding:Acids and Bases 1. How many total valence electrons are represented in the following electron configuration? 1s22s22px2 2py2 2pz1 or 1s22s22p5 a. 1 b. 3 c. 5 d. 7 e. 9 ANS: D Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons. 2. Write: CH3CH2OH ethanol ANS: 3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the l...