Chemistry bonus crossword

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Across
  1. 2. Introduced the Bohr model to chemistry
  2. 4. Introduced the atomic theory into chemistry
  3. 5. Discovered the electron
  4. 9. Chemical bond that involves the sharing of electrons to form electron pairs between atoms
  5. 11. A measure of the amount of space that matter occupies
  6. 12. State of matter with neither fixed volume nor fixed shape
  7. 14. A state of matter in which atoms are closely packed and are difficult to move past each other
  8. 16. A form of energy that an object or a particle has by reason of its motion
  9. 17. The amount of energy required to remove an electron from an isolated atom or molecule
  10. 19. One of three states of matter, existing between solids and gases
  11. 20. The relative strength which an element attracts electrons in a chemical bond
Down
  1. 1. Tastes bitter, turns litmus paper blue
  2. 3. Attraction that occurs between ions with opposite charges
  3. 6. Conductor, lustrous, ductile
  4. 7. Non-conductor, dull, insulator
  5. 8. Discovered beta and alpha rays
  6. 10. A measure of the amount of matter in a substance or an object
  7. 13. Tastes sour, turns litmus paper red
  8. 15. Representation of the valence electrons of an atom that uses dots around the symbol of the element
  9. 18. Contains all of the elements