Particle Theory, Atoms, Elements

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. An impetuous rush toward someone or something (6)
  2. 5. Any of the chemically inert ___ elements of the helium group in the periodic table (8)
  3. 6. The smallest component of an element having the chemical properties of the element (4)
  4. 9. The simplest structural unit of an element or compound (8)
  5. 10. A particle that is electrically charged (3)
  6. 12. Center of an atom or a cell (7)
  7. 14. An area in which something acts or operates or has power or control: "the range of a supersonic jet" (5)
  8. 15. An abstract part of something (7)
  9. 16. Any of several chemical elements that are usually shiny solids that conduct heat or electricity (5)

Down

  1. 1. That which has mass and occupies space (6)
  2. 3. An electrical force linking atoms (4)
  3. 4. A tiny piece of anything (8)
  4. 7. A stable particle with positive charge equal to the negative charge of an electron (6)
  5. 8. An elementary particle with negative charge (8)
  6. 11. An elementary particle with 0 charge and mass about equal to a proton (7)
  7. 13. Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile (plural) (6)