Atoms and Bonding

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A particle that is electrically charged (3)
  2. 3. A solid formed by the solidification of a chemical and having a highly regular atomic structure (7)
  3. 5. A character or symbol set or printed or written beneath or slightly below and to the side (9)
  4. 7. The simplest structural unit of an element or compound (8)
  5. 8. A chemical ___ that involves sharing a pair of electrons between atoms in a molecule (12)
  6. 9. Any compound containing a ___ atom (8)

Down

  1. 1. A salt or ester of ___ acid (9)
  2. 2. A chemical ___ in which one atom loses an electron to form a positive ion and the other atom gains (9)
  3. 4. A salt or ester of sulphuric acid (7)
  4. 6. A light soft silver-white metallic element of the alkali metal group (9)