Periodic Trends

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Across
  1. 2. found inside the nucleus and has a charge
  2. 6. shares characteristics of metals and nonmetals
  3. 9. a pure substance made up of only one kind of atom (example: Mercury)
  4. 10. the number in which an atom appears on the periodic table
  5. 11. anything that has mass and takes up space
  6. 13. charge of a neutron
Down
  1. 1. charge of a proton
  2. 3. found inside the nucleus and has no charge
  3. 4. not malleable, conductive, or ductile
  4. 5. found outside the nucleus and has a charge
  5. 6. conductive, and make up more than 70% of all elements
  6. 7. how much one unit of an atom weighs
  7. 8. charge of electron
  8. 12. the smallest building blocks of matter