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5 Written questions

5 Matching questions

  1. Pauli
  2. Soddy
  3. Dalton
  4. Lavoisier
  5. Hunds rule
  1. a tiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical
  2. b discovered isotope
  3. c pairs of electrons are not formed until each orbital of each level has one electron
  4. d designed balance, performed quantitative experiments, Law of Conservation of Mass
  5. e max number of electrons in each orbital is 2 with opposite spins

5 Multiple choice questions

  1. observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton
  2. replaced diagrams with letters for elements
  3. coined it
  4. proposed light energy is emitted as particles carrying definite quantities of energy in small amounts
  5. discovered radioactivity

5 True/False questions

  1. Daltondeveloped a system of naming elements, used circles and derivations of circles for elements


  2. Schroedingerdevised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern


  3. Rutherfordgold foil experiment, discovered nucleus


  4. Mendeleevdetermined relationship of protons to atomic emission spectra, determined properties of each element, gave element atomic number based on protons


  5. Aufbaumax number of electrons in each orbital is 2 with opposite spins