Evan and Drake's Periodic Table Crossword

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Across
  1. 2. a pure substance that can't be broken down into simpler substances through chemical reactions
  2. 3. can be hammered or rolled into flat sheets or shapes
  3. 5. a particle that contains two or more atoms joined together
  4. 7. an element that does not conduct electricity or heat and is usually a gas at room temperature
  5. 9. a chart that organizes information about all of the known elements according to their properties
  6. 10. reflective and shiny
  7. 11. term for the columns of the periodic table AKA the families
  8. 12. the smallest component of an element
  9. 14. anything that has mass or volume
  10. 17. average mass of all isotopes of that element
  11. 18. particle in the nucleus that has no charge
  12. 19. ability to transfer heat
  13. 20. term for the rows of the periodic table
Down
  1. 1. an element that has some properties of a metal and some properties of a nonmetal
  2. 2. negatively charged the particle that orbits the center of an atom
  3. 3. an element or substance that conducts heat and electricity
  4. 4. ability to carry electrical current
  5. 6. can be pulled out or drawn into long wires
  6. 8. positively charged the particles that orbits the center of an atom
  7. 13. deterioration of a metal due to a chemical reaction
  8. 15. the center of an atom
  9. 16. ease and speed with which one element combines with another