SCH3U Lesson Assignment 1 PDF - Chemistry Basics

SCH3U Lesson Assignment 1 In this assignment you are introduced to the basics of Chemistry. Total Marks: marks Instructions: After completing the lesson action section of your home page, you are ready to complete your lesson assignment. Follow these steps. a) In the textbox given, explain the s...

SCH3U Lesson Assignment 1 In this assignment you are introduced to the basics of Chemistry. Total Marks: marks Instructions: After completing the lesson action section of your home page, you are ready to complete your lesson assignment. Follow these steps. a) In the textbox given, explain the strategy that you used to determine your answer. b) Fill in your answer. The mark for each question is given at the introduction to the questions to be completed. c) When finished answering all your questions, save your file and upload the file into the appropriate dropbox. Part A (Introduction to Terminology): Multiple Choice: ( 24 marks) Each question is worth different marks according to the strategy used. If calculations are required, the mark for the strategy will worth more marks and the final answer will be worth one mark. d ____ 1. (two marks) The person given credit for developing the first modern periodic table is a. Dalton d. Mendeleev b. Democritus e. Chadwick c. Thomson e ____ 2. (two marks) Which of the following is NOT a metal? a. Li d. Mg b. Al e. C c. B ____ a 3. (two marks) The element found in the periodic table in Group 4 and Period 6 is a. hafnium, Hf d. chromium, Cr b. selenium, Se e. aluminum, Al c. gadolinium, Gd e ____ 4. (two marks) The element found in the periodic table in Group 6 and Period 4 is a. hafnium, Hf d. gadolinium, Gd b. selenium, Se e. chromium, Cr c. lithium, Li b ____ 5. (two marks) Which of the following matches of group number and common name is incorrect? a. Group 2 - alkaline earth metals d. Group 17 - halogens b. Group 6 - lanthanides e. Group 18 - noble gases c. Group 1 - alkali metals d ____ 6. (two marks) Which of the following matches of group number and common name is incorrect? a. Group 7 - transition metals d. Group 2 - actinides b. Group 2 - alkali earth metals e. Group 18 - noble gases c. Group 17 - halogens SCH3U1 Lesson Assignment Page 1  e ____ 7. (two marks) According to the periodic law, chemical properties are repeated at regular intervals when a. elements are listed in order of their atomic radius b. elements are listed in order of their date of discovery c. families of elements are listed in order d. periods are arranged in order e. elements are arranged in order of increasing atomic number e ____ 8. (two marks) A metalloid in Period 3 is a. scandium d. phosphorus b. aluminum e. silicon c. germanium a ____ 9. (two marks) A metal in Group 15 is a. bismuth d. phosphorus b. lead e. tin c. arsenic ____ b 10. (two marks) A nonmetal in Period 6 is a. astatine d. radon b. iodine e. rubidium c. polonium ____ d 11. (two marks) The chemical family known as the halogens are the elements in Group a. 1 d. 17 b. 2 e. 18 c. 5 b 12. (two marks) When elements are arranged in order of increasing atomic mass, their chemical properties repeat ____ at regular intervals. This statement is the definition of a. atomic mass d. law of constant composition b. periodic law e. law of conservation of mass c. limitations of the periodic table Part B (Putting the Concepts to Work): Completion ( marks): Using your reading, answer the following questions. Give your answer as well as your strategy for determining your answer. As part of your answer, give the page number in the reference material or the website that you used to find the answer to the question. 1. (fifteen marks) Complete the table below by filling in each cell with the correct information. Element Element Atomic Group Family Period Metal or name symbol number number name number nonmetal fluorine F 9 17 helogens 2 Nonmetal Ba Alkaline earth Barium 56 2 metals 6 metal noble gas 3 helium He 2 18 nonmetal SCH3U1 Lesson Assignment Page 2 2. (three marks) What is the group number of the alkaline earth metals? the group number of alkaline earth is 2 3. (three marks) What is the family name for Group 17? Helogens 4. (three marks)State one characteristic physical property and one characteristic chemical property of the noble gas family. All elements of group 18 have low physical property of noble gas family densities. and chemical property of noble gas. All noble gases are insoluble in water. 5 (three marks) What is electronegativity? electronegativity is the measure of an atom’s ability to attract shared electrons to itself 6. (three marks) State Mendeleev's periodic law in your own words. mendeleevs arranged the periodic table in order of increasing atomic mass and that shows a recurrence of properties at regular intervals SCH3U1 Lesson Assignment Page 3 T SCH3U1 Lesson Assignment Page 4