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1 How to Use This Presentation To View the presentation as a slideshow with effects select View on the menu bar and click on Slide Show. To advance through the presentation, click the right-arrow key or the space bar. From the resources slide, click on any resource to see a presentation for that resource. From the screen click on any lesson to go directly to that lesson s presentation. You may exit the slide show at any time by pressing the Esc key.
2 Chapter Presentation Lesson Starters Transparencies Visual Concepts Standardized Test Prep
3 Matter and Change Table of Contents Section 1 Chemistry Is a Physical Science Section 2 Matter and Its Properties Section 3 Elements
4 Section 1 Chemistry Is a Physical Science Lesson Starter How are the objects in this classroom related to the study of chemistry? How many of your daily activities are related to chemistry in some way?
5 Section 1 Chemistry Is a Physical Science Objectives Define chemistry. List examples of the branches of chemistry. Compare and contrast basic research, applied research, and technological development.
6 Section 1 Chemistry Is a Physical Science Chemistry is the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes.
7 Visual Concepts Chemistry Click below to watch the Visual Concept. Visual Concept
8 Section 1 Chemistry Is a Physical Science Branches of Chemistry 1. Organic chemistry the study of most carboncontaining compounds 2. Inorganic chemistry the study of non-organic substances, many of which have organic fragments bonded to metals (organometallics) 3. Physical chemistry the study of the properties and changes of matter and their relation to energy
9 Section 1 Chemistry Is a Physical Science Branches of Chemistry 4. Analytical chemistry the identification of the components and composition of materials 5. Biochemistry the study of substances and processes occurring in living things 6. Theoretical chemistry the use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds
10 Section 1 Chemistry Is a Physical Science Branches of Chemistry A chemical is any substance that has a definite composition. sucrose water carbon dioxide
11 Visual Concepts Chemical Click below to watch the Visual Concept. Visual Concept
12 Section 1 Chemistry Is a Physical Science Branches of Chemistry Basic Research is carried out for the sake of increasing knowledge. how and why a specific reaction occurs what the properties of a substance are the discovery of Teflon Applied Research is generally carried out to solve a problem. development of new refrigerants
13 Section 1 Chemistry Is a Physical Science Branches of Chemistry Technological Development typically involves the production and use of products that improve our quality of life. computers catalytic converters in cars biodegradable materials Basic research, applied research, and technological development often overlap
14 Visual Concepts Types of Research Click below to watch the Visual Concept. Visual Concept
15 Section 1 Chemistry Is a Physical Science Top Eight Chemicals Made in the United States
16 Section 2 Matter and Its Properties Lesson Starter Mass of deflated balloon Mass of inflated balloon The matter in the balloon must have a mass.
17 Section 2 Matter and Its Properties Objectives Distinguish between the physical properties and chemical properties of matter. Classify changes of matter as physical or chemical. Explain the gas, liquid, and solid states in terms of particles.
18 Section 2 Matter and Its Properties Objectives, continued Explain how the law of conservation of energy applies to changes of matter. Distinguish between a mixture and a pure substance.
19 Section 2 Matter and Its Properties Matter Volume is the amount of three dimensional space an object occupies. Mass is a measure of the amount of matter. Matter is anything that has mass and takes up space.
20 Visual Concepts Matter Click below to watch the Visual Concept. Visual Concept
21 Section 2 Matter and Its Properties Basic Building Blocks of Matter An atom is the smallest unit of an element that maintains the chemical identity of that element. An element is a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom. A compound is a substance that can be broken down into simple stable substances. Each compound is made from the atoms of two or more elements that are chemically bonded.
22 Visual Concepts Atom QuickTime and a Sorenson Video 3 decompressor are needed to see this picture.
23 Visual Concepts Element Click below to watch the Visual Concept. Visual Concept
24 Visual Concepts Molecule
25 Visual Concepts Compounds Click below to watch the Visual Concept. Visual Concept
26 Section 2 Matter and Its Properties Basic Building Blocks of Matter, continued
27 Section 2 Matter and Its Properties Properties and Changes in Matter Extensive properties depend on the amount of matter that is present. volume mass the amount of energy in a substance.
28 Section 2 Matter and Its Properties Properties and Changes in Matter Intensive properties do not depend on the amount of matter present. melting point boiling point density ability to conduct electricity ability to transfer energy as heat
29 Section 2 Matter and Its Properties Properties of Matter
30 Visual Concepts Comparing Extensive and Intensive Properties Click below to watch the Visual Concept. Visual Concept
31 Section 2 Matter and Its Properties Physical Properties and Physical Changes A physical property is a characteristic that can be observed or measured without changing the identity of the substance. melting point and boiling point A physical change is a change in a substance that does not involve a change in the identity of the substance. grinding, cutting, melting, and boiling
32 Section 2 Matter and Its Properties Physical Properties and Physical Changes, continued A change of state is a physical change of a substance from one state to another. states of matter solid state, liquid state, gas state, plasma In the solid state, matter has definite volume and definite shape. In the liquid state, matter has a definite volume but an indefinite shape.
33 Section 2 Matter and Its Properties Physical Properties and Physical Changes, continued In the gas state, matter has neither definite volume nor definite shape. Plasma is a high-temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms.
34 Visual Concepts Liquid QuickTime and a Sorenson Video 3 decompressor are needed to see this picture.
35 Visual Concepts Gas QuickTime and a Sorenson Video 3 decompressor are needed to see this picture.
36 Visual Concepts Plasma
37 Water in Three States
38 Section 2 Matter and Its Properties Chemical Properties and Chemical Changes A chemical property relates to a substance s ability to undergo changes that transform it into different substances A change in which one or more substances are converted into different substances is called a chemical change or chemical reaction.
39 Visual Concepts Chemical Reaction QuickTime and a Sorenson Video 3 decompressor are needed to see this picture.
40 Section 2 Matter and Its Properties Chemical Properties and Chemical Changes, continued The reactants are the substances that react in a chemical change. The products are the substances that are formed by the chemical change. reactants product Carbon plus oxygen yields (or forms) carbon dioxide. carbon + oxygen carbon dioxide
41 Section 2 Matter and Its Properties Evidence of a Chemical Change
42 Section 2 Matter and Its Properties Electrolysis of Water
43 Section 2 Matter and Its Properties Comparison of Physical and Chemical Properties
44 Visual Concepts Comparing Physical and Chemical Properties Click below to watch the Visual Concept. Visual Concept
45 Visual Concepts Comparing Chemical and Physical Changes Click below to watch the Visual Concept. Visual Concept
46 Section 2 Matter and Its Properties Energy and Changes in Matter Energy is always involved when physical or chemical changes occur. Energy can be in various forms. heat light Energy can be absorbed or released in a change, it is not destroyed or created. law of conservation of energy
47 Visual Concepts Energy and Chemical Reactions Click below to watch the Visual Concept. Visual Concept
48 Section 2 Matter and Its Properties Classification of Matter
49 Visual Concepts Classification Scheme for Matter Click below to watch the Visual Concept. Visual Concept
50 Section 2 Matter and Its Properties Classifying Matter
51 Section 2 Matter and Its Properties Classification of Matter A mixture is a blend of two or more kinds of matter, each of which retains its own identity and properties. mixed together physically can usually be separated Homogeneous mixtures are called solutions uniform in composition (salt-water solution) Heterogeneous mixtures not uniform throughout (clay-water mixture)
52 Section 2 Matter and Its Properties Types of Mixtures
53 Section 2 Matter and Its Properties Pure Substances A pure substance has a fixed composition. Pure substances are either compounds or elements. A pure substance differs from a mixture in the following ways: Every sample of a given pure substance has exactly the same characteristic properties. Every sample of a given pure substance has exactly the same composition. Water is always 11.2% hydrogen and 88.8% oxygen by mass.
54 Section 2 Matter and Its Properties Laboratory Chemicals and Purity
55 Section 2 Matter and Its Properties Examples of Mixtures
56 Section 3 Elements Objectives Use a periodic table to name elements, given their symbols. Use a periodic table to write the symbols of elements, given their names. Describe the arrangement of the periodic table. List the characteristics that distinguish metals, nonmetals, and metalloids.
57 Section 3 Elements Introduction to the Periodic Table
58 Section 3 Elements Regions of the Periodic Table
59 Section 3 Elements Introduction to the Periodic Table The vertical columns of the periodic table are called groups, or families. Each group contains elements with similar chemical properties. The horizontal rows of elements in the periodic table are called periods. Physical and chemical properties change somewhat regularly across a period.
60 Section 3 Elements Types of Elements Metals A metal is an element that is a good electrical conductor and a good heat conductor. Properties of metals most are solids at room temperature malleable - they can be hammered or rolled into thin sheets ductile - they can be drawn into a fine wire conduct electricity and heat well
61 Section 3 Elements Types of Elements Gold, copper, and aluminum are metals
62 Section 3 Elements Types of Elements Nonmetals A nonmetal is an element that is a poor conductor of heat and electricity. Properties of nonmetals many are gases solids are brittle poor conductors of heat and electricity
63 Section 3 Elements Types of Elements Various nonmetal elements (a) carbon, (b) sulfur, (c) phosphorus, and (d) iodine
64 Section 3 Elements Types of Elements Metalloids A metalloid is an element that has some characteristics of metals and some characteristics of nonmetals. Properties of metalloids all metalloids are solids at room temperature semiconductors of electricity
65 Section 3 Elements Types of Elements Noble Gases elements in Group 18 of the periodic table generally unreactive gases at room temperature
66 End of Chapter 1 Show
67 Standardized Test Preparation Multiple Choice 1. Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas. The reactants in this reaction are A. magnesium and magnesium chloride. B. hydrochloric acid and hydrogen gas. C. magnesium and hydrochloric acid. D. magnesium chloride and hydrogen gas.
68 Standardized Test Preparation Multiple Choice 1. Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas. The reactants in this reaction are A. magnesium and magnesium chloride. B. hydrochloric acid and hydrogen gas. C. magnesium and hydrochloric acid. D. magnesium chloride and hydrogen gas.
69 Standardized Test Preparation Multiple Choice 2. Matter that has a definite shape and a definite volume is A. a liquid. B. an element. C. a solid. D. a gas.
70 Standardized Test Preparation Multiple Choice 2. Matter that has a definite shape and a definite volume is A. a liquid. B. an element. C. a solid. D. a gas.
71 Standardized Test Preparation Multiple Choice 3. We know that air is a mixture and not a compound because A. it can be heated to a higher temperature. B. it can be compressed to a smaller volume. C. it is colorless. D. its composition can vary.
72 Standardized Test Preparation Multiple Choice 3. We know that air is a mixture and not a compound because A. it can be heated to a higher temperature. B. it can be compressed to a smaller volume. C. it is colorless. D. its composition can vary.
73 Standardized Test Preparation Multiple Choice 4. Matter can be defined as anything that A. has weight. B. has mass and volume. C. is uniform throughout. D. exhibits both chemical and physical properties.
74 Standardized Test Preparation Multiple Choice 4. Matter can be defined as anything that A. has weight. B. has mass and volume. C. is uniform throughout. D. exhibits both chemical and physical properties.
75 Standardized Test Preparation Multiple Choice 5. Which of the following is best classified as a homogeneous mixture? A. pizza B. blood C. hot tea D. copper wire
76 Standardized Test Preparation Multiple Choice 5. Which of the following is best classified as a homogeneous mixture? A. pizza B. blood C. hot tea D. copper wire
77 Standardized Test Preparation Multiple Choice 6. A compound differs from a mixture in that a compound A. contains only one element. B. varies in chemical composition depending on the sample size. C. has a definite composition by mass of the elements that the compound contains. D. can be classified as either heterogeneous or homogeneous.
78 Standardized Test Preparation Multiple Choice 6. A compound differs from a mixture in that a compound A. contains only one element. B. varies in chemical composition depending on the sample size. C. has a definite composition by mass of the elements that the compound contains. D. can be classified as either heterogeneous or homogeneous.
79 Standardized Test Preparation Multiple Choice 7. Which of the following is not a physical state of matter? A. solid B. gas C. element D. liquid
80 Standardized Test Preparation Multiple Choice 7. Which of the following is not a physical state of matter? A. solid B. gas C. element D. liquid
81 Standardized Test Preparation Multiple Choice 8. Three of the following must contain two or more kinds of atoms. Which one does not contain two or more kinds of atoms? A. element B. compound C. homogeneous mixture D. heterogeneous mixture
82 Standardized Test Preparation Multiple Choice 8. Three of the following must contain two or more kinds of atoms. Which one does not contain two or more kinds of atoms? A. element B. compound C. homogeneous mixture D. heterogeneous mixture
83 Standardized Test Preparation Multiple Choice 9. Which of the following symbols does not match the element name given? A. Al, aluminum B. Co, copper C. K, potassium D. P, phosphorus
84 Standardized Test Preparation Multiple Choice 9. Which of the following symbols does not match the element name given? A. Al, aluminum B. Co, copper C. K, potassium D. P, phosphorus
85 Standardized Test Preparation Short Answer 10. Give three examples of mixtures, and tell whether each one is homogeneous or heterogeneous. Give three examples of compounds.
86 Standardized Test Preparation Short Answer 10. Give three examples of mixtures, and tell whether each one is homogeneous or heterogeneous. Give three examples of compounds. Answer: Answers will vary.
87 Standardized Test Preparation Short Answer 11. In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property. A. Its mass is g. B. It is a shiny solid at room temperature. C. It is easily etched by nitric acid. D. It melts when heated to 670 C. E. It is 31.7 centimeters long. F. It is a good heat conductor. G. It burns in air. H. It is a good conductor of electrical energy.
88 Standardized Test Preparation Short Answer 11. In trying to identify a sample of a pure substance, we observe the following properties. Tell whether each one is a chemical property or a physical property. A. Its mass is g. physical property B. It is a shiny solid at room temperature. physical property C. It is easily etched by nitric acid. chemical property D. It melts when heated to 670 C. physical property E. It is 31.7 centimeters long. physical property F. It is a good heat conductor. physical property G. It burns in air. chemical property H. It is a good conductor of electrical energy. physical property
89 Standardized Test Preparation Extended Response 12. Describe the difference between a chemical change and a physical change. Give one example of each kind of change.
90 Standardized Test Preparation Extended Response 12. Describe the difference between a chemical change and a physical change. Give one example of each kind of change. Answer: In a chemical change, one or more substances are converted into different substances. A physical change does not involve a change in the identity of the substance or substances present. Examples of each kind of change will vary.
91 Standardized Test Preparation Extended Response 13. Describe general properties of metals, nonmetals, and metalloids.
92 Standardized Test Preparation Extended Response 13. Describe general properties of metals, nonmetals, and metalloids. Answer: metals: shiny; good conductors of heat; good conductors of electricity; malleable or ductile; most are solids at room temperature nonmetals: poor conductors of heat; poor conductors of electricity; many are gases at room temperature; those that are solids are brittle rather than malleable or ductile metalloids: properties intermediate between those of metals and nonmetals; less malleable than metals but not as brittle as solid nonmetals; most are semiconductors of electricity
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