Chemistry

General, Organic, and Biological Chemistry, 3e (Frost) Chapter 1 Chemistry Basics - Matter and Measurement 1.1 Multiple-Choice 1) Which of the following is an example of a heterogeneous mixture? A) Sugar water B) Blood C) Air D) Vodka Answer: B Diff: 1 Section: 1- 1 Global: G1 LO: 1.1 2) Which of the following is a pure substance? A) Sugar B) Sand C) Gold D) Maple syrup Answer: C Diff: 1 Section: 1-1 Global: G1 LO: 1.1 3) Which of the following represents a homogeneous mi...

General, Organic, and Biological Chemistry, 4e (Frost) Chapter 1 Chemistry Basics — Matter and Measurement 1.1 Multiple Choice Questions 1) Which of the following is an example of a heterogeneous mixture? A) Sugar water B) Trail mix C) Air D) Vodka Answer: B Diff: 1 Section: 1-1 Global: G1 LO: 1.1 2) Which of the following is a pure substance? A) Sugar B) Sand C) Gold D) Maple syrup Answer: C Diff: 1 Section: 1-1 Global: G1 LO: 1.1 3) Which of the following represents a ...

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In the number 12.345, the 3 is in the ________ place. 1) A) tens B) ones C) tenths D) hundredths E) thousandths Answer: C Diff: 0 Type: MC TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 2) In the number 123.45, the digit 5 is in the hundreds place. 2) Answer: True False Diff: 0 Type: TF 3) Para...

Chapter 1 1. Which of the following is an example of matter? a. the light of a flame b. the sound of thunder c. the air you breathe d. None of these are matter. ANSWER: c TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER KEYWORDS: BLOOM'S: REMEMBER 2. Which of the following is not an example of matter? a. the air in your lungs b. the blood in your arteries c. the sunlight coming through the window d. None; all of these are matter. ANSWER: c TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER ...

Chapter 1 - Covalent Bonding and Shapes of Molecules Package Title: Brown/Poon Test Bank Course Title: Brown/Poon 6e Chapter Number: 1 Question type: Multiple Choice Section 1.1 Difficulty Level: Easy 1. Which is the electronic configuration that describes Mg2+? a) 1s2, 2s2 b) 1s2, 2s2, 2p6 c) 1s2, 2s2, 2p6, 3s2 d) 1s2, 2s2, 2p6, 3s2, 3p6 Answer: b Section 1.1 Difficulty Level: Easy 2. Which is the electronic configuration that describes a neutral carbon atom? a) 1s2, 2s2, 2p5 b...

Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What is the term for a tentative proposal of a scientific principle that attempts to explain the 1) meaning of a set of data collected in an experiment? A) hypothesis B) estimation C) theory D) natural law E) none of the above Answer: A Diff: 0 Type: MC 2) Which of the following is a positive association with the practice of chemistry?...

Introductory Chemistry: Atoms First, 5e (Russo/Silver) Chapter 1 What Is Chemistry? 1.1 Multiple-Choice Questions 1) Which of the following can be classified as matter? A) ice B) sugar C) graphite D) All of the above are matter. Answer: D Section: Section 1.2 Learning Outcome: 1.2 Define the types of mixtures in terms of the types of matter. Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills. 2) Which of the following cannot be classified a...

Name: Class: Date: chapter 1 Indicate the answer choice that best completes the statement or answers the question. 1. Which of the following steps is not part of the scientific method? a. analyze data b. test the hypothesis c. determine nature of the problem d. develop a theory to support the hypothesis 2. Identify whether vodka is a heterogeneous or homogeneous mixture. a. heterogeneous b. homogeneous 3. Identify whether steel is a heterogeneous or homogeneous mixture. a. heterogene...

1. In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus. 3. In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuclear envelope. C) nucleolus. D) nucleoplasm. E) nucleosome. 4. The dimensio...

Organic Chemistry, 8e (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) t...