This assignment covers the "Atoms, Elements, and the Periodic Table" chapter of your textbook. This assignment contains three parts. …
This assignment covers the “Atoms, Elements, and the Periodic Table” chapter of your textbook. This assignment contains three parts. This assignment has Three Parts. The three parts combined are worth 50 points. (This score will be translated into a percentage for your gradebook.) Complete all three parts of the assignment in one .DOC or .PDF file. assignment should include: Part One (20 Points) The Definitions of the 20 vocabulary words Part Two (30 Points) The answers to the 15 Key Concept questions, in complete sentences, in your own words. Part Three (Bonus) Do the Virtual Lab located within the chapter. Answer the 3 questions about the virtual lab. Part One: Science Vocabulary (20 Points) Find the definitions for each of the key terms directly from your textbook. (Find the sentence in the textbook that has the word in bold, then copy that sentence word-for-word.) Then put the definitions in your own words, in a complete sentence. (Section 1, textbook found on Page 1 of Chapter 3) 1) Density a) (Textbook Definition) b) (Definition in your Own Words) 2) Matter a) (Textbook Definition) b) (Definition in your Own Words) 3) Atom a) (Textbook Definition) b) (Definition in your Own Words) 4) Law of Conservation of Matter a) (Textbook Definition) b) (Definition in your Own Words) 5) Electron a) (Textbook Definition) b) (Definition in your Own Words) 6) Nucleus a) (Textbook Definition) b) (Definition in your Own Words) 7) Proton a) (Textbook Definition) b) (Definition in your Own Words) 8) Neutron a) (Textbook Definition) b) (Definition in your Own Words) (Section 2, textbook found on Page 2 of chapter 3) 9) Element a) (Textbook Definition) b) (Definition in your Own Words) 10) Atomic number a) (Textbook Definition) (Note: This full definition is in two sentences in your text.) b) (Definition in your Own Words) 11) Isotope a) (Textbook Definition) b) (Definition in your Own Words) 12) Mass Number a) (Textbook Definition) b) (Definition in your Own Words) 13) Atomic mass a) (Textbook Definition) b) (Definition in your Own Words) 14) Metal a) (Textbook Definition) (Note: This full definition is in several sentences in your text.) b) (Definition in your Own Words) 15) Nonmetal a) (Textbook Definition) (Note: This full definition is in several sentences in your text.) b) (Definition in your Own Words) 16) Metalloid a) (Textbook Definition) (Note: This full definition is in several sentences in your text.) b) (Definition in your Own Words) (Section 3, textbook found on Page 3 of chapter 3) 17) Formula a) (Textbook Definition) b) (Definition in your Own Words) 18) Substance a) (Textbook Definition) b) (Definition in your Own Words) 19) Compound a) (Textbook Definition) b) (Definition in your Own Words) 20) Mixture a) (Textbook Definition) b) (Definition in your Own Words) Part Two: Key Concepts (30 Points) Answer these questions using complete sentences. (Section 1, textbook found on Page 1 of Chapter 3) 1) What did Democritus add to the concept of the atom? 2) What did Lavoisier add to the concept of the atom? 3) What did Dalton add to the concept of the atom? 4) What did Thomson add to the concept of the atom? 5) What did Rutherford add to the concept of the atom? 6) What did Chadwick add to the concept of the atom? 7) What did Bohr add to the concept of the atom? (Section 2, textbook found on Page 2 of Chapter 3) 8) What is the Periodic Table? 9) What is the difference between the atomic number and atomic mass? 10) What is the difference between two isotopes of the same element? 11) How do you find the atomic number for the element oxygen? What is it? What does this tell you about oxygen? (Section 3, textbook found on Page 3 of Chapter 3) 12) List three examples of compounds, and explain why these are compounds. Then list three examples of mixtures, and explain why these are mixtures. 13) If a container contains a mixture of sand, salt, and pebbles, how can these three materials be separated? 14) What did you have for breakfast (or your most recent meal)? Identify each item. Was it a compound, a homogenous mixture, or a heterogeneous mixture? 15) You are shown a liquid that looks the same throughout. You’re told that it contains more than one type of element and that the proportion of each varies throughout the liquid. Is this an element, a compound, or a mixture? Why? Part Three: Virtual Lab (Bonus) This section is a bonus points section. If you complete it, your score for this assignment will be increased by a maximum of 5 points. (In other words, if you would have gotten 25/30, and you do this part of the assignment well, you will get 30/30.) In Chapter 3 in the course, there is a link to a video, “Measuring Matter.” It talks about the types of measurements that are used. Watch this video, take the quiz, then answer the following questions. 1) What is area? 2) What is volume? 3) What is a liter? When do we use it? How many milliliters does it take to fill up the space in in one cubic centimeters? 4) What is weight, and how is it different from mass? 5) What is density?
