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Name: ______________________ due date: ________ CH. 7 ORGANIZATION OF THE PERIODIC TABLE Study Guide (Ch. 7-1 &7-2) Properties of the Periodic Table- Define these terms: Conductivity: ___________________________________________________________________ Malleability: ____________________________________________________________________ Luster: ________________________________________________________________________ List properties and facts for each type of element below: Metals: Semimetals: Nonmetals: 1. 1. 1. 2. 2. 2. 3. How are semimetals used in everyday life? _____________ ________________________ 3. Where are metals found on the periodic table? (left/right/staircase) ________________________ Examples of metals: ______________________ Where are semimetals found on the periodic table?(left/right/staircase) ________________________ One example of a semimetal: ________________________ Where are nonmetals found on the periodic table? (left/right/staircase) ________________________ Examples of nonmetals: ________________________ Label (and color, if you wish) the blank periodic table below with the words: Group Period Metals Staircase Nonmetals Group Number Semimetals (metalloids) GROUP FACTS: 1. Why are group numbers so important? __________________________________________ _______________________________________________________________________ 2. Why is hydrogen in Group 1 if it is a nonmetal?_____________________________________ _______________________________________________________________________ 3. Which groups are considered reactive? Why? _______________________________________________________________________ _______________________________________________________________________ 4. Why are Group 18 elements so unreactive? _______________________________________ _______________________________________________________________________ 5. Why are the transition metals called the “transition metals”? _________________________ _______________________________________________________________________ 6. What is the significance of the “staircase”? ______________________________________ _______________________________________________________________________ 7. Why are there two rows of elements at the bottom of the periodic table? ________________ _______________________________________________________________________ CH. 7-2 HOW ELEMENTS ARE DISCOVERED AND NAMED 8. Elements with the atomic number 93 and greater are called synthetic elements. What are synthetic elements?________________________________________________________ 9. How are the heavier synthetic elements created? (Hint: transmutation, particle accelerator) _______________________________________________________________________ _______________________________________________________________________ SAMPLE MULTIPLE CHOICE QUESTIONS: 10. Which characteristic is typical of a solid nonmetal element? a. brittle b. good electrical conductor c. good heat conductor d. shiny 11. Which group of elements most readily combines with Group 17 elements? a. Group 1 b. Group 2 c. Group 17 d. Group 18 12. Which element can be assumed to be the least malleable as a solid? a. silicon b. potassium c. bromine d. all of the above