Bonding

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. A silvery soft waxy metallic element of the alkali metal group (6)
  2. 9. An elementary particle with negative charge (plural) (9)
  3. 12. An elementary particle with 0 charge and mass about equal to a proton (plural) (8)
  4. 13. To move from one place to another (12)
  5. 14. Highly or violently reactive (8)

Down

  1. 1. Two or more atoms bound together as a single unit and forming part of a molecule (plural) (6)
  2. 2. A common nonmetallic element belonging to the halogens (8)
  3. 3. Of or being a nonmetallic element that has some of the properties of ___ (9)
  4. 4. Of or relating to or characterized by ___ (8)
  5. 5. The dialect of Ancient Greek spoken and written in Attica and Athens and ___ (5)
  6. 7. One of two or more atoms with the same atomic number but with different numbers of neutrons (7)
  7. 8. A character or symbol set or printed or written beneath or slightly below and to the side (9)
  8. 10. Having in common (7)
  9. 11. A colorless odorless gas used as a fuel (7)
  10. 15. White seasoning found in the sea (4)