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Chapter 1 Lesson 5 Chapter 1 and 2 Introduction to Chemistry Goals A basic understanding of some of the most used terms in chemistry A basic understanding of the arrangement of the periodic table Why As we begin to discuss some very basic and fundamental concepts in chemistry we must first begin to speak the language Terms used in chemistry must be understood and sometimes the distinctions are not obvious and differentiated between Additional Resources A Conceptual Introduction to Chemistry Chapter 1 p 2 15 22 35 Chapter 2 p 67 71 Prerequisites Be ready to digest and put in your own words basic terms Terms Alkali metals alkaline earth metals chemical change chemical property chemistry compound element energy extensive property formula group halogen heterogeneous homogeneous mixture intensive property law law of conservation of mass law of conservation of energy main group element mass matter metal metalloid noble gas nonmetal period physical change physical property property solution theory transition elements Homework Problems Online homework Textbook portions of Chapter 1 Chapter 1 1 44 65 87 95 100 105 106 Chapter 2 75 89 Basic Terms Part I As each term is discussed fill in the definition with the correct term 1 A is a description of something a A n is one which does not change with sample size An example of this is b A n is one which does change with sample size An example of this is c A n is one which describes the look touch feel or general appearance of something It also describes a physical change for something An example of this is 25 Lesson 5 d A n is one which describes the way something reacts with itself or something else An example of this is 2 is the study of matter and the changes it undergoes 3 is anything that has mass and occupies space 4 is the measure of the amount of matter in a sample 5 The ability to do work is called 6 When something undergoes a the chemical properties of the substance do not change 7 When something undergoes a the chemical



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