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5 Written Questions

5 Matching Questions

  1. hydrogen bond
  2. chemical equillibrium
  3. atomic weight
  4. atomic number
  5. reactant
  1. a point at which reactions offset one another exactly, no effect on concentrations of reactants and products
  2. b mass of an atom
  3. c starting materials
  4. d number of protons
  5. e hydrogen atom covalently bonded to one electronegative atom is also attraced to another electronegative atom

5 Multiple Choice Questions

  1. smallest unit of matter that still retains the properties of an element
  2. weak and occur only when atoms and molecules are very close together
  3. three-dimensional space where an electron is found 90% of the time
  4. ability to do work
  5. two ions of opposite charge

5 True/False Questions

  1. mattersmallest unit of matter that still retains the properties of an element

          

  2. valencebonding capacity, equals number of unpaired electrons in the atom's outermost shell

          

  3. nonpolar covalent bondone atom is more electronegative than another

          

  4. radioactive isotopeone in which the nucleus decays spontaneously, giving off particles and energy

          

  5. covalent bondone atom is more electronegative than another

          

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