chapter 5,6 and 7 crossword

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Across
  1. 1. number- number of protons in nucleus
  2. 4. mixture- substances evenly mixed but not bonded.
  3. 5. both have physical and chemical properties of metals and nonmetals
  4. 6. is everything.
  5. 8. uncharged particle
  6. 11. atoms held together by chemical bonds
  7. 12. - moves fast and is small and negative.
  8. 14. conducts at high temperatures and not low temperatures.
  9. 17. - chemically joined elements
  10. 19. -Rows in table
  11. 21. -Elements that have no metals.
Down
  1. 2. elements -Group 3-12, are all metals, and have high melting points.
  2. 3. gases- elements in group 18
  3. 4. elements in group 17
  4. 7. table- chart that holds elements.
  5. 9. mixture- is not an evenly mixed mixture
  6. 10. has luster, conductivity, ductility, and malleability.
  7. 13. -Column in table
  8. 15. charged, lost or gains electrons
  9. 16. Most mass in atom
  10. 18. positively charged particle
  11. 20. small particle