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5 Written questions

5 Matching questions

  1. electronegativity
  2. energy
  3. chemical bond
  4. covalent bond
  5. polar covalent bond
  1. a ability to do work
  2. b one atom is more electronegative than another
  3. c attraction of an atom for the electrons
  4. d sharing of a pair of valence electrons by two atoms
  5. e holds atoms together, strongest are covalent and ionic bonds

5 Multiple choice questions

  1. one in which the nucleus decays spontaneously, giving off particles and energy
  2. negatively charged ion
  3. two ions of opposite charge
  4. outer electrons
  5. those required by an organism in only minute quantities

5 True/False questions

  1. moleculetwo or more atoms held together by covalent bonds


  2. hydrogen bondtwo ions of opposite charge


  3. energy levelability to do work


  4. atomic weightnumber of protons


  5. nonpolar covalent bondtwo atoms are equally electronegative


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