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5 Written questions

5 Matching questions

  1. nonpolar
  2. polyatomic ion
  3. isotopes
  4. precision
  5. molecule
  1. a a neutral group of atoms held together by covalent bonds
  2. b a measure of how close a series of measurements are to one another
  3. c electrons are shared equally in __________ covalent bonds
  4. d a charged group of covalently bonded atoms
  5. e atoms of the same element with different masses

5 Multiple choice questions

  1. the energy required to break a bond between two covalently bonded atoms
  2. the elements in group 1 are known as the
  3. something that has magnitude, size, or amount
  4. the atomic number of an element is the number of ______ of each atom of that element
  5. the total number of protons and neutrons that make up the nucleus of an isotope

5 True/False questions

  1. redthe smallest particle of an element that retains the chemical properties of that element


  2. are similarthe electronegativities of f-block elements ________


  3. anionsnegatively charged ions


  4. a sea of electronsLondon dispersion forces are the result of the movement of ___________


  5. quantum theorydescribes mathematically the wave properties of electrons and other very small particles


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