Carbon and Hydrocarbons

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Across
  1. 2. compounds that contain carbon atoms
  2. 5. hydrocarbons used in Styrofoam and synthetic rubber
  3. 8. most plentiful fossil
  4. 12. a mixture of hydrocarbon gases and vapors found in porous formations in the earth's crust
  5. 13. colorless, crystalline solid with an extremely high density
  6. 14. simplest organic compound composed of carbon and hydrogen
  7. 15. solid residue left after bituminous coal is heated
  8. 16. straight-chain hydrocarbons connected by single covalent bonds
Down
  1. 1. Carbon has a strong tendency to form these bonds
  2. 3. type of amorphous carbon that is used to absorb toxic waste and remove ozone
  3. 4. carbon-containing residues that remain after decomposed by heat
  4. 6. First element in Group 14
  5. 7. formula of a compound that shows the exact number of atoms of each type of element present in a molecule
  6. 9. Graphite is held together by these weak forces
  7. 10. compounds that have ionic bonds
  8. 11. series of organic compounds called the paraffin series