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5 Written Questions

5 Matching Questions

  1. ionic bonds
  2. phosphorylation reaction
  3. elements
  4. oxidation-reduction reaction
  5. covalent bond
  1. a The attractive forces between ions of opposite charge
  2. b An electron-transport reaction in which the molecules losing electrons become oxidized and those gaining electrons become reduced
  3. c The reaction that takes place when a cluster of atoms, known as a phosphate group is added to another molecule
  4. d The attractive force formed between two atoms that share a pair of electrons
  5. e Fundamental chemical substances that are made up of collections of only one kind of atom

5 Multiple Choice Questions

  1. A unit of measure used to describe the mass of atoms and is equal to 1.67 x 10^(-24) grams, approximately the mass of 1 proton
  2. A scale used to indicate the concentration of an acid or a base
  3. The smallest particles of a chemical compound; the smallest naturally occurring parts of an element or a compound
  4. The phase of matter in which the molecules are more energetic than the molecules of a liquid, resulting in only a slight attraction for each other
  5. A reaction that results in the formation of a macromolecule when water is removed from between the two smaller component parts

5 True/False Questions

  1. hydrolysis reactionsProcesses that occur when large molecules are broken down into smaller parts by the addition of water


  2. energyA particle in the nucleus of an atom that has no electrical charge; named to reflect this lack of electrical charge


  3. productsNew molecules resulting from a chemical reaction


  4. chemistryThe science concerns with the study of the composition, structure and properties of matter and the changes it undergoes


  5. compoundA kind of matter that consists of a specific number of atoms (or ions) joined to each other in a particular way and held together by chemical bonds


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