Name: ___________________________________ Period:___ Date:______

Dekalb Reads Assignment 3.2A

A Guided Tour of the Periodic Table

Read pages 77-79 and answer the questions

 

  1. What does a periodic table do?
  2. How does organization make predicting the properties of an element easier?
  3. Elements are arranged in certain order. What is the basis of that order?
  4. Why is hydrogen listed as first element in the periodic table?
  5. State the periodic law.
  6. Define period.
  7. Define group or family.
  8. What happens to # of protons and electrons when you move from left to right across a period?
  9. How many periods are there in the periodic table?
  10. How many groups or families are there in the periodic table?
  11. How many elements are there in the first period? Name them.
  12. How many elements are there in the second period? Name them.
  13. How many elements are there in the third period? Name them.
  14. How many elements are there in 4th period?
  15. How many elements are there in 5th period?
  16. How many elements are there in 6th period?
  17. How many elements are there in 7th period?
  18. Which period is the largest and which is the smallest?
  19. How many Alkali metals are there? Name them.
  20. To which group do the alkali metals belong?
  21. Name the alkaline earth metals?
  22. To which group do they belong?
  23. Name the Halogens.
  24. To which group do they belong?
  25. Name the noble gases.
  26. To which group do they belong?
  27. How many semi conductors are there in the periodic table ? Name them.
  28. Hydrogen and Helium are both located in period 1. Why are they located in first period?
  29. How many electrons are there in the ‘p’ orbital of Nitrogen atom?
  30. How many electrons are there in the ‘p’ orbital of a Neon atom?
  31. Why do elements in a group or column have similar properties?
  32. Why arethe elements in a column are not exactly alike?

EXTRA CREDIT: SECTION 3.1 REVIEW: #1-8 PAGE: 76. ANSWER THE QUESTIONS ON A SEPRATE SHEET OF PAPER AND TURN-IN TO THE TEACHER BEFORE YOU LEAVE THE CLASS.
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