Chemistry

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. An impetuous rush toward someone or something (6)
  2. 4. An elementary particle with negative charge (plural) (9)
  3. 6. A stable particle with positive charge equal to the negative charge of an electron (plural) (7)
  4. 10. A tabular arrangement of the chemical elements according to atomic number as based on the ___ (13)
  5. 11. A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic (8)
  6. 12. A piece of photographic film showing an image with light and shade or colors reversed (8)
  7. 13. That which has mass and occupies space (6)
  8. 15. The smallest component of an element having the chemical properties of the element (plural) (5)

Down

  1. 1. The science of matter (9)
  2. 2. Energy associated with electric charges, used to power lights and devices. (11)
  3. 3. An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous ___ (6)
  4. 5. Center of an atom or a cell (7)
  5. 7. A room in a school where lessons take place (9)
  6. 8. Hopeful and optimistic; the opposite of negative (8)
  7. 9. Gas in the air that we need to breathe (6)
  8. 14. Of or relating to or comprising atoms (6)