Chemical Bonds

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. The simplest structural unit of an element or compound (8)
  2. 8. A chemical ___ that involves sharing a pair of electrons between atoms in a molecule (12)
  3. 11. A chemical ___ in which one atom loses an electron to form a positive ion and the other atom gains (9)
  4. 13. Commodities offered for sale (7)
  5. 15. A substance formed by chemical union of two or more elements or ingredients in definite proportion (8)
  6. 16. Bottom part something stands on; a safe spot in baseball (4)

Down

  1. 1. A positively charged atom of ___ (11)
  2. 2. A liquid substance capable of dissolving other substances (7)
  3. 3. The dissolved matter in a ___ (6)
  4. 4. The real physical matter of which a person or thing consists (9)
  5. 6. A ___ solid substance in suspension or after settling or filtering (11)
  6. 7. A homogeneous mixture of two or more substances (8)
  7. 9. A number or ratio derived from a series of observed facts (9)
  8. 10. A chemical substance that is present at the start of a chemical ___ (8)
  9. 12. A particle that is electrically charged (3)
  10. 14. Any of various water-soluble compounds having a sour taste and capable of turning litmus red (4)