Chemistry chapter 101 - Study guides, Class notes & Summaries

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | isoto...

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | is...

Chapter 01 - Chemistry and Measurement 1. What is a scientific theory? a. It is a collection of experimental data. b. It is an assertion of scientific fact. c. It is a guess or conjecture about natural phenomena. d. It is a fundamental relationship of nature. e. It is an explanation of natural phenomena that has undergone significant testing. ANSWER: POINTS: DIFFICULTY: REFERENCES: HAS VARIABLES: LEARNING OBJECTIVE S: e 1 easy 1.2 False GENE.EBBI.13.1 - Understand how the scien...

Chapter 01 - Chemistry: An Introduction 1. Define the following terms: a. science b. chemistry ANS: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. PTS: 1 DIF: easy MSC: general chemistry 2. Define the following terms: a. scientific method b. natural law c. hypothesis d. theory TOP: general concept...

Chapter 01 - Chemistry: An Introduction 1. Define the following terms: a. science b. chemistry ANS: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. PTS: 1 DIF: easy MSC: general chemistry 2. Define the following terms: a. scientific method b. natural law c. hypothesis d. theory TOP: general concept...

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 e 1 1.1 Why Care About Chemistry? Comprehension Grasp meaning 2. For a chemist, understanding a. knowing what makes up a reacting atom. b. knowing what atoms make up a reacting molecule. c. knowing how atoms in a reacting molecule are connected together. d. having a me...

atom - ANSWER- A submicroscopic particle that constitutes the fundamental building block of ordinary matter; the smallest identifiable unit of an element. molecule - ANSWER- Two or more atoms joined chemically in a specific geometrical arrangement. chemistry - ANSWER- The science that seeks to understand the behavior of matter by studying the behavior of atoms and molecules. hypothesis - ANSWER- A tentative interpretation or explanation of an observation. A good one is falsifiable. experi...

Psychology Themes and Variations 6th Edition. Doug McCann, Wayne Weiten & Deborah Matheson TB Indicate the answer choice that best completes the statement or answers the question. 1. Raphael and Paxton are roommates. Because they’re both psychology majors, they choose to dress up as their favourite early psychologists for a Halloween party in their building. They also challenge one another to act like these psychologists all night, and the first one to break character has to take out th...

General, Organic, and Biochemistry, 10e (Denniston) Chapter 1 Chemistry - Methods and Measurement 1) Which is the summary of a large amount of scientific information? A) hypothesis B) theory C) scientific law D) technology E) scientific method Answer: C Difficulty: 1 Easy Topic: Study of Chemistry Bloom's: Remember Section number: 01.02 Accessibility: Keyboard Navigation Subtopic: Scientific Method 2) What method used by scientists is the systematic approach to the discovery of new in...

1. What is a unifying principle that explains a body of experimental observations? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction 2. Which of the following is a tentative explanation for a set of observations? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction 3. What is the term used for findings that are summarized based on a pattern or trend? A. Law B. Hypothesis C. Theory D. Phenomena E. Prediction 4. Which of the following activities is not a part of good scien...