Atoms and Bases

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic (8)
  2. 4. A stable particle with positive charge equal to the negative charge of an electron (plural) (7)
  3. 7. Having a deficiency of electrons (14)
  4. 9. Center of an atom or a cell (7)

Down

  1. 1. Having a surplus of electrons (14)
  2. 3. A light soft silver-white metallic element of the alkali metal group (9)
  3. 5. Bottom part something stands on; a safe spot in baseball (plural) (5)
  4. 6. A silvery soft waxy metallic element of the alkali metal group (6)
  5. 8. The smallest component of an element having the chemical properties of the element (plural) (5)