Periodic Table Crossword

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Across
  1. 2. Nonmetals are found to the _______ of the stair step.
  2. 4. The only nonmetal that is a liquid at room temperature is __________? bromine
  3. 5. Group seventeen is referred to as what?
  4. 8. How many elements are there?
  5. 11. Metals have an overall ___________ charge.
  6. 12. What element is in group twelve, period six?
  7. 13. Particles with a neutral electric charge.
  8. 15. What metals make up the Iron Triad?
  9. 16. What is calcium in?
  10. 18. What element is in group one, period two?
Down
  1. 1. What element is in group ten, period six?
  2. 3. metals are found to the ______ of the stair step.
  3. 5. What is the only nonmetal with a positive charge?
  4. 6. particles with the electric charge of positive one.
  5. 7. What element is in group eight, period four?
  6. 9. particles with an electric charge of negative one.
  7. 10. Who was the scientist who came up with the first Periodic Table?
  8. 12. Nonmetals bond with ________.
  9. 14. The small, positively charged center of the atom.
  10. 17. What is the smallest part of an element?