Unit 9 p4 Study guides, Revision notes & Summaries

Element - correct answer A pure substance that cannot be broken down into a simpler substance Atom - correct answer The most basic unit of matter. It is the smallest part of an element that still has the properties of an element Protons - correct answer Positive (1+) and are found inside the nucleus Neutrons - correct answer Neutral and are found inside the nucleus Electrons - correct answer Negative (1-) and are found outside the nucleus In a single atom - correct answer The numb...

ABRET Exam part2Questions and Answers 2023 Calibration is required a. at the start of the recording b. at the end of the recording c. at the start and end of the recording d. only when Sensitivity changes are made during the recording c. at the start and end of the recording Duration is measured in a. Hertz b. Millimeters c. Microvolts d. Milliseconds d. Milliseconds If the duration of a wave is .2 seconds the frequency would be? a. 1 Hz b. 2 Hz c. 5 Hz d. 10 Hz c. ...

Chapter 1 - Chemical Foundations 1. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 contains: a. 49 protons, 63 neutrons, 49 electrons. b. 49 protons, 49 neutrons. c. 49 protons, 49 alpha particles. d. 49 protons, 63 neutrons. e. 49 protons, 112 neutrons. ANSWER: d POINTS: 1 2. A hypothetical element consists of two isotopes of masses 78.95 amu and 80.95 amu with abundances of 32.9% and 67.1%, respectively. What is the average a...

Chapter 1—Living in a World of Chemistry MULTIPLE CHOICE 1. Which activity comes first in the scientific method? a. conclusion b. hypothesis c. experimentation d. observation ANS: D 2. Which is considered a physical science? a. physics b. biology c. zoology d. botany ANS: A 3. A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans than insecticides now available. The scientist is engaged in a. basic research. b. applied research. ...

ECON 201 – Quiz 3 Question 1 of 16 Demand is price inelastic if: A. the price of the good responds slightly to a quantity change. B. the demand curve shifts very little when a demand shifter changes. C. the percentage change in quantity demanded is relatively small in response to a relatively large percentage change in price. D. all of the above are true. Question 2 of 16 If the absolute value of price elasticity is greater than 1, this means the demand curve in that regi...

NETA Assessment: Test Bank to accompany Chemistry: Human Activity, Chemical Reactivity, Second International Edition By Peter G. Mahaffy, Robert Bucat, Roy Tasker, John C. Kotz, Paul M. Treichel, Gabriela C. Weaver, John McMurry Test Bank prepared by Brett McCollum, Mount Royal University Text ISBN: 0176660887 NETA copy editor: Kelli Howey For more information contact Nelson, 1120 Birchmount Road, Toronto, Ontario M1K 5G4. Or you can visit our Internet site at . ALL RIGHTS RESERVED. No part...

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 TITLE PAGE LONG QUESTIONS/ MCQs 1 Entrepreneurship in emerging economies 1-6 2 Small businesses in emerging economies 7-13 3 Feasibility analysis for small businesses within EE 14-17 4 Small businesses within emerging economies 18-24 5 Challenges of starting a business in an emerging economy 25-27 7 & 15 Strategic planning in small businesses 27-33 Entrepreneurial Growth 33-35 9 Creativity and innovation in entrepreneurship 36-40 10 Ethics, governance and sustain...

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...

Portage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 UpdatePortage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. ...