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5 Written questions

5 Matching questions

  1. liquid
  2. phases of matter
  3. energy level
  4. chemistry
  5. phosphorylation reaction
  1. a A region surrounding an atomic nucleus that contains electrons moving at approximately the same speed and having approximately the same amount of kinetic energy
  2. b The reaction that takes place when a cluster of atoms, known as a phosphate group is added to another molecule
  3. c The phase of matter in which the molecules are strongly attracted to each other, but, because they have more energy, and are farther apart than in a solid, they move past each other more freely
  4. d Physical conditions of matter (solid, liquid, and gas) determined by the relative amounts of energy of the molecules
  5. e The science concerns with the study of the composition, structure and properties of matter and the changes it undergoes

5 Multiple choice questions

  1. Weak attractive forces between molecules; important in determining how groups of molecules are arranged
  2. The weight of an atomic nucleus expressed in atomic mass units (the sum of the protons and neutrons)
  3. Compounds that release a hydrogen ion in a solution
  4. A measure of molecular energy of motion
  5. The central region of an atom

5 True/False questions

  1. protonThe particle in the nucleus of an atom that has a positive electrical charge

          

  2. covalent bondWeak attractive forces between molecules; important in determining how groups of molecules are arranged

          

  3. solventThe component present in the larger amount

          

  4. elementsFundamental chemical substances that are made up of collections of only one kind of atom

          

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

          

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