Chapter Four Exam!!!

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Across
  1. 3. Each row represents a ____ level on the periodic table
  2. 5. The Atomic number is the number of ____ in an atom
  3. 7. ____ is a metalloid
  4. 12. The element’s names are from what language?
  5. 13. Ni is an ____
  6. 15. Almost 80% of elements are ____
  7. 16. The far right column on the periodic table are ____ gases
  8. 18. Elements are ____ near the top of a column
  9. 20. Repeated pattern of properties
  10. 22. Atomic number 27
  11. 23. The total number of groups on the periodic table
  12. 26. Smaller atoms have a ____ force between the electrons and protons
  13. 30. Atomic radius is the distance between the electrons and the ____
  14. 31. The outermost electrons
  15. 33. an element
  16. 34. A set of vertical elements
  17. 35. The maximum number of valence electrons in dot notation
  18. 37. Elements with properties between a metal and nonmetal
  19. 38. Electronegativity ____ down a column
  20. 39. Iron is a ____ metal
Down
  1. 1. This neutral element has 47 electrons
  2. 2. The ____ for each element consists of one or two letters
  3. 4. This element does not like to react
  4. 5. A row of elements on the periodic table
  5. 6. Elements in group ____ have two valence electrons
  6. 8. Oxygen is a ____
  7. 9. Group one is called the ____ metals
  8. 10. Elements in a column have ____ structures
  9. 11. CO is a ____
  10. 14. Electron dot ____
  11. 17. The periodic table has trends or ____
  12. 19. The number of rows on the periodic table
  13. 21. The number of energy levels Sodium has
  14. 24. The _____are very reactive
  15. 25. A radioactive element
  16. 27. The properties of elements vary by their atomic number is what law?
  17. 28. This element likes to gain electrons
  18. 29. There are 118 of these on the periodic table
  19. 32. Electronegativity is a measure of an element’s ability to ____ electrons
  20. 36. Another name for a group