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5 Written questions

5 Matching questions

  1. Debroglle
  2. Millikan
  3. Pauli
  4. Democritus
  5. Goldstein
  1. a propose that matter is made up of atoms
  2. b observed rays in cathode ray tube traveling opposite direction, rays had positive charge known as proton
  3. c max number of electrons in each orbital is 2 with opposite spins
  4. d math equation to describe wavelength of an electron
  5. e oil drop experiment led to determine the charge of an electron

5 Multiple choice questions

  1. tiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical
  2. electrons enter lowest energy level first
  3. pairs of electrons are not formed until each orbital of each level has one electron
  4. devised mathematical equation to describe likelihood of an electrons motion and its wavelike pattern
  5. developed a system of naming elements, used circles and derivations of circles for elements

5 True/False questions

  1. Berzeliusarranged elements according to atomic mass, called it "Periodic Table"

          

  2. Bequerelreplaced diagrams with letters for elements

          

  3. Lavoisierdiscovered the electron, Plum pudding model

          

  4. Thomsontiny indivisible particles called atoms, combined, seperated, rearranged, subdivided, created, destroyed, size mass are identical

          

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