Chemistry, 8e (Robinson/McMurry/Fay) Chapter 1 Chemical Tools: Experimentation and Measurement 1.1 Multiple-Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. Answer: D Diff: 1 Var: 1 Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells Learning Obj: LO 1.1 Identify the steps in the scientific method. Global Obj: G1 Demonstrate an understanding of the principles of s...

Student name:__________ 1) What is a unifying principle that explains a body of experimental observations? A) law B) hypothesis C) theory D) phenomena E) prediction Question Details Bloom's : 2. Understand Difficulty : Easy Subtopic : Scientific Method Topic : Study of Chemistry Chapter : 01 Chemistry: The Science of Change Accessibility : Keyboard Navigation 2) Which of the following is a tentative explanation for a set of observations? A) law B) hypothesis C) theory D) pheno...

Chapter 1: The Nature of Chemistry 1. Modern research requires a. communication skills b. collaboration skills c. knowledge in a particular field d. a willingness to think about the world e. all of the choices above ANSWER: e POINTS: 1 TOPICS: 1.1 Why Care About Chemistry? OTHER: Comprehension NOTES: Grasp meaning 2. For a chemist, understanding a chemical reaction means: a. knowing what makes up a reacting atom. b. knowing what atoms make up a reacting molecule. c. knowing how at...

Chapter 01 - Chemistry: Matter on the Atomic Scale 1. Which of the following would you classify as nano-scale? a. An amoeba (a unicellular animal) b. Grounded coffee c. A water molecule d. A cell membrane e. An ore of gold ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/5/2014 6:46 PM DATE MODIFIED: 1/11/2017 4:38 AM The following information will be used to answer questions 2-6. A) B) C) D) E) 2. Which of the figures above depicts a gaseou...

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...

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...

Test Bank on Essentials of Dental Radiography 9th EditionBy Evelyn Thomson,Orlen JohnsonChapter 1 Multiple Choice 1. Who was awarded the first Nobel Prize for physics in 1901, for his experimental work with radiation? 2. W. J. Morton 3. O. Walkhof 4. W. D. Coolidge 5. W. C. Roentgen 6. Who is credited with introducing the bitewing radiograph? 7. F. W. McCormack 8. H. R. Raper 9. G. M. Fitzgerald 10. C. E. Kells 11. Who developed the hot cathode ray tube? 12. W. D. Coolidge 13. W. A. Price 14. H...

Test Bank Essential Cell Biology 5th Edition Alberts Hopkin CHAPTER 1: CELLS: THE FUNDAMENTAL UNITS OF LIFE Unity and Diversity of Cells 1-1 Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that there are between 10 million and 100 million different species. Despite this wide variety of organisms, it remains difficult to define what it means to say something is alive. Which of the following can be described as the smallest living unit? (a) DNA (b...

Test Bank Microbiology for the Healthcare Professional 2nd Edition VanMeter Chapter 01: Scope of Microbiology MULTIPLE CHOICE 1. In the sixteenth century a father-and-son team, by the name of compound microscope consisting of a simple tube with lenses at each end. a. van Leeuwenhoek b. Semmelweis c. Janssen d. Hooke ANS: C REF: p. 3 2. “Animalcules” were first described by a. Robert Hooke. b. Antony van Leeuwenhoek. c. Hans Janssen. d. John Needham. ANS: B REF: p. 3 3. Micrographia, a...