chemistry

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Across
  1. 2. energy level rings
  2. 3. can be bent or hammered into a sheet
  3. 5. can be pulled into a wire
  4. 8. located in the center
  5. 9. electricity and heat passes through it
  6. 11. smallest part of an element
  7. 12. on the left side of the periodic table
  8. 13. shatter easily
  9. 14. not shiny
  10. 17. 1 made of 2 electrons max
  11. 19. negative charge
  12. 20. neutral charge
Down
  1. 1. properties of both touching the zigzag line.
  2. 4. 3 holds up to 18 electrons
  3. 6. electricity heat does not pass through it.
  4. 7. reflects light
  5. 10. right side of periodic table
  6. 15. 2 holds up to 8 electrons
  7. 16. cloud on the outside made of electrons
  8. 18. positive charge