Unit 2 Vocab

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Across
  1. 2. compound with an amino group on one end and a carboxyl group on the other end
  2. 3. small chemical unit that makes up a polymer
  3. 6. reactant of an enzyme-catalyzed reaction
  4. 8. substance formed as a result of a chemical reaction
  5. 10. type of bond between atoms in which the electrons are shared
  6. 14. the basic unit of matter
  7. 16. The center of an atom, which contains the protons and neutrons
  8. 17. negatively charged particle that orbits the nucleus in the electron cloud
  9. 19. molecules composed of many monomers
  10. 22. fats, oils, and waxes
  11. 23. energy that is needed to get a reaction started
  12. 26. a reaction that absorbs energy
  13. 27. the number of protons in the nucleus of an atom
  14. 28. biological catalysts
  15. 29. macromolecule made up of amino acids
  16. 30. equal to the total number of protons and neutrons in the nucleus of an atom
Down
  1. 1. electron found in the outermost shell of an atom
  2. 4. one or two-letter abbreviation for a chemical element name
  3. 5. compound made up of carbon, hydrogen, and oxygen atoms
  4. 7. Positively charged particle found in the nucleus of an atom
  5. 9. a combination of 2 or more elements connected by bonds
  6. 11. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  7. 12. subunit of which nucleic acids are composed
  8. 13. a large organic molecule made up of many atoms
  9. 15. process that changes one set of chemicals into another set of chemicals
  10. 18. substance that speeds up the rate of a chemical reaction
  11. 20. particle found in the nucleus that has no charge
  12. 21. elements or compounds that enter into a chemical reaction
  13. 24. pure substance that consists entirely of one type of atom
  14. 25. a reaction that releases energy