The Periodic Table – Homework
INSTRUCTIONS: Print out a copy of this homework assignment, answer the questions correctly, and send the homework to your instructor.
YOUR NAME:
1. Why is the Periodic Table useful?
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2. Which is NOT an element: Hydrogen, Iron, or Carbon Dioxide?
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3. What is Gold’s shorthand symbol?
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4. How many natural elements are there?
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5. What is the most important factor in determining an element’s chemical properties?
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6. What determines how many electrons an element has in its outer orbit?
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7. Na and K are in the same column. How are they similar?
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8. What determines a noble gas?
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9. Which is NOT a trait of metals?
a. A good insulator
b. Shiny
c. Tend to lose their outer electrons to form positive ions.
10. Why would a non-metal tend to gain electrons?
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