Periodic Table

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 4. Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile (5)
  2. 6. The order of an element in Mendeleyev's table of the elements (12)
  3. 9. An elementary particle with negative charge (8)
  4. 10. An abstract part of something (7)
  5. 12. One of three divisions into which play is divided in hockey games (plural) (7)
  6. 13. State of matter that flows like water (plural) (7)
  7. 14. Two or more atoms bound together as a single unit and forming part of a molecule (plural) (6)

Down

  1. 1. A colorless element that is one of the six inert gasses (7)
  2. 2. A chemical element lacking typical metallic properties (plural) (9)
  3. 3. The smallest component of an element having the chemical properties of the element (4)
  4. 5. A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic (8)
  5. 7. Center of an atom or a cell (7)
  6. 8. A stable particle with positive charge equal to the negative charge of an electron (plural) (7)
  7. 11. The path described by one celestial body in its revolution about another (plural) (6)