Metals, Nonmetals, Metalloids

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Across
  1. 2. abbreviation for each element
  2. 3. table that containing all known elements
  3. 5. found on right side of periodic table
  4. 7. have properties of both metals and nonmetals
  5. 9. sum of the protons and neutrons
  6. 10. can be drawn into a wire
  7. 12. the smallest unit of matter
  8. 13. negatively charged particle
  9. 14. reflects light, shiny
Down
  1. 1. can be hammered into a flat sheet
  2. 4. positively charged particle
  3. 6. number number of protons and electrons
  4. 8. particle with no charge
  5. 9. found on left side of periodic table
  6. 11. very small center of an atom