Science

Edit Answers
1234567891011121314151617181920212223242526272829
Across
  1. 3. A change in a substance that does not change its identity of the substance.
  2. 5. a substance that takes part in and undergoes change during a reaction.
  3. 6. The tendency of energy to disperse and become less available to do work
  4. 9. An attraction between molecules of different substances
  5. 11. A substance produced in a chemical reaction
  6. 12. A pure substance made from two or more elements that are chemically combined.
  7. 15. Molecule with partial charges. Mixes with water.
  8. 17. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  9. 18. A substance that slows down or stops a chemical reaction
  10. 20. a biomolecule composed of carbon, hydrogen, and oxygen with a ration of about two hydrogen atoms and one oxygen atom for every carbon atom
  11. 24. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  12. 26. The smallest particle of a covalently bonded An attractive between two atoms as a result of sharing or transferring valence electrons.
  13. 27. A type of protein that speeds up a chemical reaction in a living thing
  14. 29. a measurement of the average speed of particles within a substance.
Down
  1. 1. substance that speeds up the rate of a chemical reaction
  2. 2. A substance that can produce hydroxide ions or accept hydrogen ions in solution
  3. 4. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  4. 7. Attraction between molecules of the same substance
  5. 8. monomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  6. 10. Compounds that contain carbon
  7. 13. An attractive between two atoms as a result of sharing or transferring valence electrons.
  8. 14. compound
  9. 16. Building blocks of matter
  10. 19. the physical stuff that makes up the universe
  11. 21. A substance that can produce hydrogen ions in solution
  12. 22. the process by which one substance, the solute, is broken up into smaller pieces by and distributed
  13. 23. Building blocks of protein
  14. 25. A pure substance made of only one kind of atom
  15. 28. the ability to do work