Matter and the Environment

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Across
  1. 3. a larger organic molecule includes protein, nucleic acids, and lipids
  2. 4. a combination of two or more atoms
  3. 6. a measure of the acidity or alkalinity of a solution
  4. 7. chemically diverse compound that does not dissolve in water
  5. 8. any material that has mass and occupies space
  6. 11. the basic unit of matter
  7. 13. a macromolecule that carries hereditary information; includes DNA and RNA
Down
  1. 1. an organic compound combining hydrogen and carbon
  2. 2. a substance combining atoms of two or more different elements
  3. 5. an organic compound which consists of hydrogen, oxygen, and carbon
  4. 9. a chemical substance with a unique set of properties that cannot be broken down into smaller properties
  5. 10. a mixture in which all the ingredients are evenly distributed
  6. 12. the central core of the atom; contains protons and neutrons