chemistry

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Across
  1. 3. Another word for shiny
  2. 4. Another word for energy levels
  3. 5. Properties of both metal and non metal
  4. 9. When a new substance is created
  5. 13. A particle that has no charge
  6. 15. A element with a abbreviation of {Na}
  7. 16. A element with a abbreviation of {B}
  8. 18. opposite of an insulator
  9. 19. Can break easily
  10. 20. Another word for not shiny
Down
  1. 1. Metal that can be bent
  2. 2. A table that shows all the elements
  3. 6. The center part of an atom
  4. 7. Positively charged particle
  5. 8. Negatively charged particle
  6. 10. A element with a abbreviation of {Ra}
  7. 11. The smallest part of matter
  8. 12. A element with a abbreviation of {Kr}
  9. 14. A type of metal that is dull and a insulator
  10. 17. Can be pulled to a wire