Unit 2 Homework 2 Name_________________ Part 1: Introduction to Elements and MSDS Complete By _________________ Signed___________________ Purpose: To become familiar with some elemental properties and to practice reading SDS. Use the three SDS sheets provided to answer the following questions. 1. What does SDS stand for? 2. Which of the three elements is considered chemically stable? 3. Describe the appearance and odor of Zinc. 4. Which element appears as yellow crystals at room temperature? 5. What are the special precautions you should take when working with magnesium? 6. Are there any fire hazards to be concerned about when working with zinc? If so, what are they? 7. What are the first aid procedures when exposed to sulfur? 8. What is the atomic weight of zinc? 9. What is the difference between how you clean up spills/leaks of magnesium vs zinc? Part 2: Periodic Table Crossword Puzzle Complete by ______________________ Signed_________________ Helpful Section in the book _____________________________ Complete the following crossword based on the periodic table: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ACROSS 2. A metal found in group two of the periodic table that burns with an intense white flame 4. The vertical columns of the periodic table 5. A nonmetal that is a liquid at room temperature 7. A nonmetal that is solid yellow crystals at room temperature. 9. The horizontal rows of elements in the periodic table 10. An element that is abbreviated Fe 11. A metal which is reddish in color. 14. A property of matter describing the ability to be hammered or rolled into thin sheets 15. A property describing the ability to be drawn into a fine wire. DOWN 1. Many nonmetals are ________ at room temperature 2. A type of element that is a semiconductor of electricity 3. A metal that is a liquid at room temperature 6. A noble gas found in the third period of the periodic table 8. A type of element that is a poor conductor of heat and electricity 12. This element is used in weather balloons because it is less dense than air 13. Element abbreviated K in the periodic table