Chemistry

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Across
  1. 3. very expensive, jewelry metal
  2. 5. positive charge, found inside nucleus
  3. 7. 6.023 X 10^23
  4. 8. means ashes
  5. 10. not shiny, poor conductors, brittle
  6. 13. ordered elements by increasing mass and created law of octaves
  7. 15. ordered elements by atomic number
  8. 16. bond where electrons are shared
  9. 17. what all isotopes of the actinides
  10. 18. Al
  11. 20. negative charge, found outside the nucleus
  12. 21. amount of energy calculated from Planck's equation
  13. 22. most reactive element
  14. 23. mass divided by volume
Down
  1. 1. SI unit for temperature
  2. 2. only element that reacts with some of the noble gases
  3. 4. mass of a dog (what measurement)
  4. 6. information gathered from primary source
  5. 7. shiny, conductors, malleable, ductile
  6. 9. amount of matter in something
  7. 11. anything that has mass and occupies volume
  8. 12. created word atomos
  9. 14. bond where electrons are transferred
  10. 17. plum pudding model
  11. 19. no charge, found inside nucleus