Environmental chemistry

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  2. 7. An abstract part of something (plural) (8)
  3. 8. The process of oxidizing (9)
  4. 9. The process of purifying a liquid by boiling it and condensing its vapors (12)
  5. 10. The simplest structural unit of an element or compound (plural) (9)
  6. 12. The breakdown or alteration of rock at or near the surface of the Earth. (10)
  7. 14. Air pollution by a mixture of smoke and fog (4)
  8. 15. A process in which a substance reacts with oxygen to give heat and light (10)

Down

  1. 1. Generic name for certain synthetic or semisynthetic materials that can be molded or extruded into (plural) (8)
  2. 3. A colorless odorless gas used as a fuel (7)
  3. 4. A chemical substance that is present at the start of a chemical ___ (plural) (9)
  4. 5. Commodities offered for sale (plural) (8)
  5. 6. Occurring or formed with the liberation of heat (10)
  6. 7. Occurring or formed with absorption of heat (11)
  7. 11. A colorless gas soluble in alkalis and cold water (5)
  8. 13. The smallest component of an element having the chemical properties of the element (plural) (5)