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5 Written Questions

5 Matching Questions

  1. dehydration synthesis reaction
  2. molecules
  3. energy
  4. neutron
  5. atomic weight
  1. a The smallest particles of a chemical compound; the smallest naturally occurring parts of an element or a compound
  2. b A particle in the nucleus of an atom that has no electrical charge; named to reflect this lack of electrical charge
  3. c The weight of an atomic nucleus, expressed in atomic mass units (the sum of the protons and neutrons)
  4. d The ability to do work or cause things to move
  5. e A reaction that results in the formation of a macromolecule when water is removed from between the two smaller component parts

5 Multiple Choice Questions

  1. The science concerns with the study of the composition, structure and properties of matter and the changes it undergoes
  2. the law that states that energy is never created or destroyed
  3. The reaction that takes place when a cluster of atoms, known as a phosphate group is added to another molecule
  4. An electron-transport reaction in which the molecules losing electrons become oxidized and those gaining electrons become reduced
  5. Physical conditions of matter (solid, liquid, and gas) determined by the relative amounts of energy of the molecules

5 True/False Questions

  1. calorieThe phase of matter in which the molecules are packed tightly together; they vibrate in place


  2. temperatureFundamental chemical substances that are made up of collections of only one kind of atom


  3. solutionThe component that dissolves in a solvent


  4. atomic nucleusThe number of protons in an atom


  5. potential energyenergy of motion


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