Chapter 16/17 Vocabulary Review

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Across
  1. 6. a type of protein used to speed up chemical reactions in living things
  2. 10. a bond that transfers one or more electrons from one atom to another, resulting in attraction between oppositely charged ions.
  3. 11. a fat in which the carbon atoms are surrounded by as many hydrogen atoms as possible
  4. 13. a representation of a compound that includes the symbols and ratios of atoms of each element in the compound
  5. 14. a compound that is composed of long chains of smaller molecules
  6. 15. a group of energy-rich compounds that are made from carbon, hydrogen, and oxygen and that include fats, waxes, and oils
  7. 16. a chemical reaction in which one element replaces a similar element in a compound
  8. 19. the electrons in the highest, unfilled energy level of an atom
  9. 23. a fat that has fewer hydrogen atoms because double bonds exist among some of the carbon atoms
  10. 24. a branch of chemistry that specializes in the study of carbon compounds, also known as organic molecules
  11. 26. a chemical reaction in which ions from two compounds in a solution exchange places to produce two new compounds
  12. 29. a type of nucleic acid that contains the genetic code for an organism
  13. 30. a group of energy-rich compounds that are made from carbon, hydrogen, and oxygen and that includes sugars and starches
  14. 32. a group of very large molecules made of carbon, hydrogen, oxygen, and sometimes sulfur.
  15. 33. a chemical reaction in which two or more substances combine to form a new compound (A + B = AB)
  16. 34. a starting ingredient in a chemical reaction
  17. 35. a quantity that indicates the charge on an atom when it gains, loses, or shares electrons during bond formation
Down
  1. 1. A bond that forms when atoms transfer or share electrons
  2. 2. the sum of the atomic mass values of the atoms in a chemical formula
  3. 3. a chemical reaction in which a compound is broken down into two or more smaller substances
  4. 4. the number of atoms or molecules in a mole of any substance
  5. 5. a solid that forms and is insoluable in a reaction mixture
  6. 7. a new substance formed in a chemical reaction
  7. 8. a group of smaller molecules that are the building blocks of proteins
  8. 9. a principle that states that the total mass of the reactants equals the total mass of the products in a chemical reaction
  9. 12. a chemical bond formed by atoms that are sharing one or more electrons
  10. 13. the process of breaking chemical bonds in one or more substances and the reforming of new bonds to create new substances
  11. 14. the formation of polymers by a series of addition reactions
  12. 17. an atom (or group) that has an electric charge other than zero. Created when an atom gains or loses an electron.
  13. 18. a unit of any substance that contains the Avogadro number of atoms or molecules
  14. 20. a chemical reaction that results in a large amount of energy being released when a carbon compound combines with oxygen
  15. 21. compounds made of long, repeating chains of smaller molecules called nucleotides
  16. 22. the mass, in grams, of one mole of a compound
  17. 25. a method for representing an atom's valence electrons using dots around the elemental symbol
  18. 27. a chemical compound that consists of two elements
  19. 28. an expression of a chemical reaction using chemical formulas and symbols
  20. 31. a whole number placed in front of a chemical formula in a chemical equation