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5 Written Questions

5 Matching Questions

  1. thomson
  2. noble gases
  3. dalton
  4. increase
  5. shielding
  1. a created the plum pudding model; plums are negative particles pudding is positive; discovered the electron
  2. b elements in which teh outermost s and p sublevels are completely filled
  3. c said atoms are indivisible and combine in small, whole number ratios;all atoms of an element are identical
  4. d blocking of the pull of the nucleus for the electrons
  5. e atomic radius group trend

5 Multiple Choice Questions

  1. used quantum theory to write and solve mathematical equation describing the location and energy of an election in an hydrogen atom
  2. proposed electrons are arranged in circular paths known as orbits around the nucleus
  3. the outermost s and p levels are partially filled
  4. metallic elements in which the outermost s sublevel and nearby d level contain electrons
  5. electrons enter the orbitals of lowest energy first

5 True/False Questions

  1. Rutherfordproposed a nuclear atom where the nuclear is dense and the rest of the atom was empty space

          

  2. principal energy levelsmajor energy levels in an atom; 7 of them

          

  3. decreaseatomic radius periodic trend

          

  4. decreaseelectronegativity group trend

          

  5. increaseionization energy group trend

          

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