Chemistry (Chem210)

2 Chapter 1 The Foundations of Biochemistry Chapter 1 The Foundations of Biochemistry Multiple Choice Questions 1. Cellular foundations Pages: 2–4 Difficulty: 1 Ans: C In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. Cellular foundations Page: 3 Difficulty: 1 Ans: E A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma m...

Chapter 1 Multiple Choice Questions: Topic: General Section: Intro Difficulty Level: Easy 1. Chemical reactions occur as a result of: A) Attraction between opposite charges B) Nucleus–Nucleus interactions C) Motion of electrons D) Like atoms interacting E) Combining two chemicals Ans: C Topic: General Section: 1.1 Difficulty Level: Easy 2. Credit for the first synthesis of an organic compound from an inorganic precursor is generally ascribed to: A) Berzelius B) Arrhenius C) ...

Essay 0 points Question Give the ground-state electron configuration for carbon (atomic number 6). Answer 1s22s22p 12p 1 or 1s22s22p2 x y Essay 0 points Question Give the ground-state electron configuration for fluorine (atomic number 9). Answer 1s22s22p 2 2p 2 2p 1 or 1s22s22p5 x y z Essay 0 points Question Give the ground-state electron configuration for magnesium (atomic number 12). Answer 1s22s22p63s2 Essay 0 points Question How many electrons does silicon have in its valence she...

Chapter 03 - Organic Compounds: Alkanes and Their Stereochemistry Exhibit 3-1 MATCH a structure below to each of the following descriptions and place the letter corresponding to the structure in the blank. 1. _____ is an amino aldehyde. ANSWER: B POINTS: 1 2. _____ is an aromatic ketone. ANSWER: E POINTS: 1 3. _____ is a tertiary chloride. ANSWER: C POINTS: 1 4. _____ is a cyclic alkane with two cis methyl groups. ANSWER: C POINTS: 1 5. Circle and name each functional group in th...

Chapter One MULTIPLE CHOICE QUESTIONS Topic: General Section: 1.1 Difficulty Level: Easy 1. Credit for the first synthesis of an organic compound from an inorganic precursor is usually given to: A) Berzelius B) Arrhenius C) Kekule D) Wohler E) Lewis Ans: D Topic: Atomic Orbitals, Hybridization Section: 1.2 Difficulty Level: Easy 2. How many sigma 1s-2sp3 bonds are there in ethane? A) 7 B) 6 C) 5 D) 3 E) 1 Ans: B

Organic Chemistry, 7e (Bruice) Chapter 1 Remembering General Chemistry: Electronic Structure and Bonding 1) Atoms with the same number of protons but different numbers of neutrons are called . Answer: isotopes Section: 1-1 2) Which of the following elements does this electronic configuration represent? 1s2 2s2 2p5 A) F B) C C) N D) Al E) O Answer: A Section: 1-2 3) How many unpaired electrons are present in the isolated carbon atom (atomic number = 6)? A) none B) one C) two D)...

TEST BANK > CONTROL PANEL > POOL MANAGER > POOL CANVAS Pool Canvas Add, modify, and remove questions. Select a question type from the Add Question drop-down list and click Go to add questions. Use Creation Settings to establish which default options, such as feedback and images, are available for question creation. Add Creation Settings Name TestBank Chapter 1 Description Question pool for TestBank Chapter 01 Instructions Multiple Choice 0 points Question What is the molecular...

Principles of Chemistry: A Molecular Approach (Tro) Chapter 1 Matter, Measurement, and Problem Solving 1) Molecules can be described as A) a mixture of two or more pure substances. B) a mixture of two or more elements that has a specific ratio between components. C) two or more atoms chemically joined together. D) a heterogeneous mixture E) a homogeneous mixture Answer: C Diff: 1 Page Ref: 1.1 2) Give the composition of water. A) two hydrogen atoms and two oxygen atoms. B) one hydrog...

Chapter 1 Keys to the Study of Chemistry 1. Which one of the following is a "substance" in the sense of the word as used in your textbook? A) air B) tap water C) sea water D) water E) toothpaste Ans: D 2. Select the best statement. A) Physical changes may be reversed by changing the temperature. B) Physical changes alter the composition of the substances involved. C) Physical properties are not valid characteristics for identifying a substance. D) Physical properties are mostly extens...