hey look a chemistry crossword puzzle

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Across
  1. 3. the elements in group 18
  2. 8. a molecule that consists of more than two atoms
  3. 9. react with elements by losing one electron
  4. 11. elements that are the best conductors
  5. 12. another name for the columns on the periodic table
Down
  1. 1. elements from group 3 through 12
  2. 2. these elements lack the most properties of metals
  3. 4. also known as a family these elements are together for there similar charecteristics
  4. 5. the letter(s) on the periodic table the=at represent each element
  5. 6. salt forming
  6. 7. the wearing away of any metal
  7. 10. the section on the periodic table where elements are solid at room temp